634256500323044 has 24 divisors (see below), whose sum is σ = 1115258552610048. Its totient is φ = 315612862104960.

The previous prime is 634256500323037. The next prime is 634256500323077. The reversal of 634256500323044 is 440323005652436.

It is a self number, because there is not a number n which added to its sum of digits gives 634256500323044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206289032 + ... + 209341055.

It is an arithmetic number, because the mean of its divisors is an integer number (46469106358752).

Almost surely, 2^{634256500323044} is an apocalyptic number.

It is an amenable number.

634256500323044 is a deficient number, since it is larger than the sum of its proper divisors (481002052287004).

634256500323044 is a wasteful number, since it uses less digits than its factorization.

634256500323044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415631915 (or 415631913 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 634256500323044 in words is "six hundred thirty-four trillion, two hundred fifty-six billion, five hundred million, three hundred twenty-three thousand, forty-four".