512426128 has 20 divisors (see below), whose sum is σ = 1006428268. Its totient is φ = 252702720.

The previous prime is 512426111. The next prime is 512426137. The reversal of 512426128 is 821624215.

It can be written as a sum of positive squares in 2 ways, for example, as 328769424 + 183656704 = 18132^2 + 13552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 512426128.

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, 218193 + ... + 220528.

Almost surely, 2^512426128 is an apocalyptic number.

It is an amenable number.

512426128 is a deficient number, since it is larger than the sum of its proper divisors (494002140).

512426128 is a wasteful number, since it uses less digits than its factorization.

512426128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438802 (or 438796 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 512426128 is about 22636.8312270070. The cubic root of 512426128 is about 800.2218801225.

The spelling of 512426128 in words is "five hundred twelve million, four hundred twenty-six thousand, one hundred twenty-eight".