512204543868 has 72 divisors (see below), whose sum is σ = 1204637842800. Its totient is φ = 169389023232.

The previous prime is 512204543863. The next prime is 512204543909. The reversal of 512204543868 is 868345402215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512204543863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363522748 + ... + 363524156.

It is an arithmetic number, because the mean of its divisors is an integer number (16731081150).

Almost surely, 2^512204543868 is an apocalyptic number.

It is an amenable number.

512204543868 is an abundant number, since it is smaller than the sum of its proper divisors (692433298932).

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

512204543868 is a wasteful number, since it uses less digits than its factorization.

512204543868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959 (or 2800 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 512204543868 in words is "five hundred twelve billion, two hundred four million, five hundred forty-three thousand, eight hundred sixty-eight".