520842970864512 has 96 divisors (see below), whose sum is σ = 1499970359979000. Its totient is φ = 173476424549376.

The previous prime is 520842970864493. The next prime is 520842970864561. The reversal of 520842970864512 is 215468079248025.

520842970864512 is a `hidden beast` number, since 5 + 2 + 0 + 8 + 42 + 9 + 70 + 8 + 6 + 4 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×520842970864512² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520842970864512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178105087 + ... + 181005822.

Almost surely, 2^{520842970864512} is an apocalyptic number.

It is an amenable number.

520842970864512 is an abundant number, since it is smaller than the sum of its proper divisors (979127389114488).

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

520842970864512 is a wasteful number, since it uses less digits than its factorization.

520842970864512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359112188 (or 359112173 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 520842970864512 in words is "five hundred twenty trillion, eight hundred forty-two billion, nine hundred seventy million, eight hundred sixty-four thousand, five hundred twelve".