255641901264 has 60 divisors (see below), whose sum is σ = 738521060992. Its totient is φ = 82465128000.

The previous prime is 255641901253. The next prime is 255641901287. The reversal of 255641901264 is 462109146552.

255641901264 is a `hidden beast` number, since 2 + 5 + 564 + 19 + 0 + 12 + 64 = 666.

255641901264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28629262 + ... + 28638189.

Almost surely, 2^255641901264 is an apocalyptic number.

255641901264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255641901264 is an abundant number, since it is smaller than the sum of its proper divisors (482879159728).

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

255641901264 is a wasteful number, since it uses less digits than its factorization.

255641901264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57267496 (or 57267487 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 255641901264 in words is "two hundred fifty-five billion, six hundred forty-one million, nine hundred one thousand, two hundred sixty-four".