512201044394 has 16 divisors (see below), whose sum is σ = 828778420680. Its totient is φ = 236007129600.

The previous prime is 512201044393. The next prime is 512201044409. The reversal of 512201044394 is 493440102215.

It can be written as a sum of positive squares in 4 ways, for example, as 505929196369 + 6271848025 = 711287^2 + 79195^2 .

It is not an unprimeable number, because it can be changed into a prime (512201044393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16373759 + ... + 16405010.

Almost surely, 2^512201044394 is an apocalyptic number.

512201044394 is a deficient number, since it is larger than the sum of its proper divisors (316577376286).

512201044394 is a wasteful number, since it uses less digits than its factorization.

512201044394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32779385.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 512201044394 in words is "five hundred twelve billion, two hundred one million, forty-four thousand, three hundred ninety-four".