520929607680 has 408 divisors, whose sum is σ = 1868453804880. Its totient is φ = 134102384640.

The previous prime is 520929607663. The next prime is 520929607699. The reversal of 520929607680 is 86706929025.

520929607680 is a `hidden beast` number, since 5 + 2 + 0 + 9 + 29 + 607 + 6 + 8 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85521435 + ... + 85527525.

Almost surely, 2^520929607680 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 520929607680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934226902440).

520929607680 is an abundant number, since it is smaller than the sum of its proper divisors (1347524197200).

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

520929607680 is an equidigital number, since it uses as much as digits as its factorization.

520929607680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163 (or 6130 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 520929607680 in words is "five hundred twenty billion, nine hundred twenty-nine million, six hundred seven thousand, six hundred eighty".