56480440 has 16 divisors (see below), whose sum is σ = 127081080. Its totient is φ = 22592160.

The previous prime is 56480401. The next prime is 56480441. The reversal of 56480440 is 4408465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56480441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705966 + ... + 706045.

Almost surely, 2^56480440 is an apocalyptic number.

It is an amenable number.

56480440 is an abundant number, since it is smaller than the sum of its proper divisors (70600640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56480440 is a wasteful number, since it uses less digits than its factorization.

56480440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412022 (or 1412018 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 56480440 is about 7515.3469647116. The cubic root of 56480440 is about 383.6772280460.

The spelling of 56480440 in words is "fifty-six million, four hundred eighty thousand, four hundred forty".