255963046464 has 112 divisors (see below), whose sum is σ = 796747809600. Its totient is φ = 80302123008.

The previous prime is 255963046411. The next prime is 255963046483. The reversal of 255963046464 is 464640369552.

255963046464 is a `hidden beast` number, since 2 + 5 + 5 + 96 + 30 + 464 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 255963046464.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4327294 + ... + 4386045.

Almost surely, 2^255963046464 is an apocalyptic number.

255963046464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255963046464 is an abundant number, since it is smaller than the sum of its proper divisors (540784763136).

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

255963046464 is a wasteful number, since it uses less digits than its factorization.

255963046464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713377 (or 8713361 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 255963046464 in words is "two hundred fifty-five billion, nine hundred sixty-three million, forty-six thousand, four hundred sixty-four".