40.

German

German numbers (edit)
400
 ←  30  ←  39 40 41  →  50  → 
4
    Cardinal: vierzig
    Ordinal: vierzigste
    Sequence adverb: vierzigstens
    Ordinal abbreviation: 40.
    Adverbial: vierzigmal
    Adverbial abbreviation: 40-mal
    Multiplier: vierzigfach
    Multiplier abbreviation: 40-fach
    Fractional: Vierzigstel
    Polygon: Vierzigeck
    Polygon abbreviation: 40-Eck
    Polygonal adjective: vierzigeckig
    Polygonal adjective abbreviation: 40-eckig

Adjective

40. (indeclinable)

  1. (ordinal number) abbreviation of vierzigste 40th, fortieth

Icelandic

Icelandic numbers (edit)
400
 ←  30  ←  39 40 41  →  50  → 
4
    Cardinal: fjörutíu
    Ordinal: fertugasti
    Ordinal abbreviation: 40.
    Fractional: fertugasti

Adjective

40. (indeclinable)

  1. 40th