520533268528 has 120 divisors (see below), whose sum is σ = 1252043444448. Its totient is φ = 205273276416.

The previous prime is 520533268513. The next prime is 520533268559. The reversal of 520533268528 is 825862335025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5956800 + ... + 6043552.

Almost surely, 2^520533268528 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 520533268528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626021722224).

520533268528 is an abundant number, since it is smaller than the sum of its proper divisors (731510175920).

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

520533268528 is a wasteful number, since it uses less digits than its factorization.

520533268528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87111 (or 87092 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 520533268528 in words is "five hundred twenty billion, five hundred thirty-three million, two hundred sixty-eight thousand, five hundred twenty-eight".