520531995632 has 40 divisors (see below), whose sum is σ = 1100976235392. Its totient is φ = 236441822400.

The previous prime is 520531995629. The next prime is 520531995661. The reversal of 520531995632 is 236599135025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767294 + ... + 1276637.

Almost surely, 2^520531995632 is an apocalyptic number.

It is an amenable number.

520531995632 is an abundant number, since it is smaller than the sum of its proper divisors (580444239760).

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

520531995632 is a wasteful number, since it uses less digits than its factorization.

520531995632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045397 (or 2045391 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 50.

The spelling of 520531995632 in words is "five hundred twenty billion, five hundred thirty-one million, nine hundred ninety-five thousand, six hundred thirty-two".