520896320 has 112 divisors (see below), whose sum is σ = 1501079040. Its totient is φ = 168075264.

The previous prime is 520896307. The next prime is 520896353. The reversal of 520896320 is 23698025.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31241 + ... + 44919.

Almost surely, 2^520896320 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 520896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750539520).

520896320 is an abundant number, since it is smaller than the sum of its proper divisors (980182720).

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

520896320 is a wasteful number, since it uses less digits than its factorization.

520896320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13720 (or 13710 counting only the distinct ones).

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

The square root of 520896320 is about 22823.1531563892. The cubic root of 520896320 is about 804.6069194416.

The spelling of 520896320 in words is "five hundred twenty million, eight hundred ninety-six thousand, three hundred twenty".