520478352 has 80 divisors (see below), whose sum is σ = 1518533760. Its totient is φ = 170640000.

The previous prime is 520478303. The next prime is 520478363. The reversal of 520478352 is 253874025.

520478352 is a `hidden beast` number, since 520 + 4 + 7 + 83 + 52 = 666.

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 15 ways as a sum of consecutive naturals, for example, 16477 + ... + 36227.

It is an arithmetic number, because the mean of its divisors is an integer number (18981672).

Almost surely, 2^520478352 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 520478352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759266880).

520478352 is an abundant number, since it is smaller than the sum of its proper divisors (998055408).

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

520478352 is a wasteful number, since it uses less digits than its factorization.

520478352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19829 (or 19817 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 520478352 is about 22813.9946524058. The cubic root of 520478352 is about 804.3916559165.

The spelling of 520478352 in words is "five hundred twenty million, four hundred seventy-eight thousand, three hundred fifty-two".