Hecho general: 4490 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 4490 is an uninteresting number.
Trivia: 4490 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: April 16th is the day in 1945 that the Red Army begins the final assault on German forces around Berlin, with nearly one million troops fighting in the Battle of the Seelow Heights.