500439680 has 64 divisors (see below), whose sum is σ = 1288413000. Its totient is φ = 184774656.

The previous prime is 500439679. The next prime is 500439697. The reversal of 500439680 is 86934005.

It can be written as a sum of positive squares in 4 ways, for example, as 258823744 + 241615936 = 16088^2 + 15544^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 500439680.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21755 + ... + 38394.

Almost surely, 2^500439680 is an apocalyptic number.

It is an amenable number.

500439680 is an abundant number, since it is smaller than the sum of its proper divisors (787973320).

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

500439680 is a wasteful number, since it uses less digits than its factorization.

500439680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60181 (or 60169 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 500439680 is about 22370.5091582646. The cubic root of 500439680 is about 793.9331073214.

The spelling of 500439680 in words is "five hundred million, four hundred thirty-nine thousand, six hundred eighty".