512650703028 has 12 divisors (see below), whose sum is σ = 1196184973760. Its totient is φ = 170883567672.

The previous prime is 512650703011. The next prime is 512650703057. The reversal of 512650703028 is 820307056215.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21360445948 + ... + 21360445971.

Almost surely, 2^512650703028 is an apocalyptic number.

It is an amenable number.

512650703028 is an abundant number, since it is smaller than the sum of its proper divisors (683534270732).

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

512650703028 is a wasteful number, since it uses less digits than its factorization.

512650703028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42720891926 (or 42720891924 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 512650703028 in words is "five hundred twelve billion, six hundred fifty million, seven hundred three thousand, twenty-eight".