Fatto generale: 1440 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1440 is an uninteresting number.
Trivia: 1440 is an unremarkable number.
Data storica: December 10th is the day in 1541 that Thomas Culpeper and Francis Dereham are executed for having affairs with Catherine Howard, Queen of England and wife of Henry VIII.