512897235924 has 12 divisors (see below), whose sum is σ = 1196760217184. Its totient is φ = 170965745304.

The previous prime is 512897235923. The next prime is 512897235947. The reversal of 512897235924 is 429532798215.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×512897235924² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512897235923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21370718152 + ... + 21370718175.

Almost surely, 2^512897235924 is an apocalyptic number.

It is an amenable number.

512897235924 is an abundant number, since it is smaller than the sum of its proper divisors (683862981260).

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

512897235924 is a wasteful number, since it uses less digits than its factorization.

512897235924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42741436334 (or 42741436332 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The spelling of 512897235924 in words is "five hundred twelve billion, eight hundred ninety-seven million, two hundred thirty-five thousand, nine hundred twenty-four".