659580944 has 40 divisors (see below), whose sum is σ = 1431807168. Its totient is φ = 291703680.

The previous prime is 659580931. The next prime is 659580947. The reversal of 659580944 is 449085956.

It is a super-2 number, since 2×659580944² = 870094043375862272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 659580892 and 659580901.

It is not an unprimeable number, because it can be changed into a prime (659580947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44132 + ... + 57155.

Almost surely, 2^659580944 is an apocalyptic number.

It is an amenable number.

659580944 is an abundant number, since it is smaller than the sum of its proper divisors (772226224).

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

659580944 is a wasteful number, since it uses less digits than its factorization.

659580944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101343 (or 101337 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 659580944 is about 25682.3079959726. The cubic root of 659580944 is about 870.4744600124.

The spelling of 659580944 in words is "six hundred fifty-nine million, five hundred eighty thousand, nine hundred forty-four".