255064131644 has 24 divisors (see below), whose sum is σ = 510791672160. Its totient is φ = 109171040256.

The previous prime is 255064131589. The next prime is 255064131659. The reversal of 255064131644 is 446131460552.

It is a super-2 number, since 2×255064131644² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5901377 + ... + 5944440.

It is an arithmetic number, because the mean of its divisors is an integer number (21282986340).

Almost surely, 2^255064131644 is an apocalyptic number.

It is an amenable number.

255064131644 is an abundant number, since it is smaller than the sum of its proper divisors (255727540516).

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

255064131644 is a wasteful number, since it uses less digits than its factorization.

255064131644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11846597 (or 11846595 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 255064131644 in words is "two hundred fifty-five billion, sixty-four million, one hundred thirty-one thousand, six hundred forty-four".