512254768 has 20 divisors (see below), whose sum is σ = 994255560. Its totient is φ = 255672704.

The previous prime is 512254711. The next prime is 512254777. The reversal of 512254768 is 867452215.

It is a self number, because there is not a number n which added to its sum of digits gives 512254768.

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, 19030 + ... + 37237.

It is an arithmetic number, because the mean of its divisors is an integer number (49712778).

Almost surely, 2^512254768 is an apocalyptic number.

It is an amenable number.

512254768 is a deficient number, since it is larger than the sum of its proper divisors (482000792).

512254768 is a wasteful number, since it uses less digits than its factorization.

512254768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56844 (or 56838 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 512254768 is about 22633.0459284649. The cubic root of 512254768 is about 800.1326696639.

The spelling of 512254768 in words is "five hundred twelve million, two hundred fifty-four thousand, seven hundred sixty-eight".