520089264 has 120 divisors (see below), whose sum is σ = 1504247472. Its totient is φ = 167639040.

The previous prime is 520089253. The next prime is 520089301. The reversal of 520089264 is 462980025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 808527 + ... + 809169.

Almost surely, 2^520089264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520089264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752123736).

520089264 is an abundant number, since it is smaller than the sum of its proper divisors (984158208).

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

520089264 is a wasteful number, since it uses less digits than its factorization.

520089264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 520089264 is about 22805.4656606700. The cubic root of 520089264 is about 804.1911626831.

The spelling of 520089264 in words is "five hundred twenty million, eighty-nine thousand, two hundred sixty-four".