Fatto generale: 14240 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 14240 is a boring number.
Trivia: 14240 is a boring number.
Data storica: December 26th is the day in 2003 that a magnitude 6.6 earthquake devastates southeast Iranian city of Bam, killing tens of thousands and destroying the citadel of Arg-é Bam.