general_fact: 40598 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 40598 is an uninteresting number.
trivia: 40598 is a boring number.
historical_date: February 25th is the day in 1964 that North Korean Prime Minister Kim Il-sung calls for the removal of feudalistic land ownership aimed at turning all cooperative farms into state-run ones.