520172960 has 48 divisors (see below), whose sum is σ = 1242750600. Its totient is φ = 205725696.

The previous prime is 520172959. The next prime is 520172993. The reversal of 520172960 is 69271025.

It can be written as a sum of positive squares in 4 ways, for example, as 404653456 + 115519504 = 20116^2 + 10748^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 4025 + ... + 32504.

Almost surely, 2^520172960 is an apocalyptic number.

It is an amenable number.

520172960 is an abundant number, since it is smaller than the sum of its proper divisors (722577640).

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

520172960 is a wasteful number, since it uses less digits than its factorization.

520172960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36633 (or 36625 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 520172960 is about 22807.3005855581. The cubic root of 520172960 is about 804.2342988509.

The spelling of 520172960 in words is "five hundred twenty million, one hundred seventy-two thousand, nine hundred sixty".