general_fact: 40564 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 40564 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 40564 is an unremarkable number.
historical_date: January 22nd is the day in 1877 that Arthur Tooth, an Anglican clergyman is taken into custody after being prosecuted for using ritualist practices.