512040564464 has 40 divisors (see below), whose sum is σ = 1165518912432. Its totient is φ = 214842193920.

The previous prime is 512040564443. The next prime is 512040564473. The reversal of 512040564464 is 464465040215.

It is a super-2 number, since 2×512040564464² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111894689 + ... + 111899264.

Almost surely, 2^512040564464 is an apocalyptic number.

It is an amenable number.

512040564464 is an abundant number, since it is smaller than the sum of its proper divisors (653478347968).

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

512040564464 is a wasteful number, since it uses less digits than its factorization.

512040564464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223793985 (or 223793979 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 512040564464 in words is "five hundred twelve billion, forty million, five hundred sixty-four thousand, four hundred sixty-four".