512631263546402 has 128 divisors (see below), whose sum is σ = 1034628042792960. Its totient is φ = 183971193960960.

The previous prime is 512631263546393. The next prime is 512631263546407. The reversal of 512631263546402 is 204645362136215.

It is not an unprimeable number, because it can be changed into a prime (512631263546407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1778979278 + ... + 1779267414.

It is an arithmetic number, because the mean of its divisors is an integer number (8083031584320).

Almost surely, 2^{512631263546402} is an apocalyptic number.

512631263546402 is an abundant number, since it is smaller than the sum of its proper divisors (521996779246558).

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

512631263546402 is a wasteful number, since it uses less digits than its factorization.

512631263546402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290056.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 512631263546402 in words is "five hundred twelve trillion, six hundred thirty-one billion, two hundred sixty-three million, five hundred forty-six thousand, four hundred two".