255954138976 has 12 divisors (see below), whose sum is σ = 503909711172. Its totient is φ = 127977069472.

The previous prime is 255954138953. The next prime is 255954138977. The reversal of 255954138976 is 679831459552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255954138977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3999283390 + ... + 3999283453.

It is an arithmetic number, because the mean of its divisors is an integer number (41992475931).

Almost surely, 2^255954138976 is an apocalyptic number.

It is an amenable number.

255954138976 is a deficient number, since it is larger than the sum of its proper divisors (247955572196).

255954138976 is an equidigital number, since it uses as much as digits as its factorization.

255954138976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998566853 (or 7998566845 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 64.

The spelling of 255954138976 in words is "two hundred fifty-five billion, nine hundred fifty-four million, one hundred thirty-eight thousand, nine hundred seventy-six".