Fatto generale: 40998 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 40998 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 40998 is an unremarkable number.
Data storica: March 31st is the day in 1918 that Massacre of ethnic Azerbaijanis is committed by allied armed groups of Armenian Revolutionary Federation and Bolsheviks.