255391050318 has 64 divisors (see below), whose sum is σ = 548455864320. Its totient is φ = 79103606400.

The previous prime is 255391050283. The next prime is 255391050329. The reversal of 255391050318 is 813050193552.

It is a super-2 number, since 2×255391050318² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255391050318.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 845521 + ... + 1107107.

It is an arithmetic number, because the mean of its divisors is an integer number (8569622880).

Almost surely, 2^255391050318 is an apocalyptic number.

255391050318 is an abundant number, since it is smaller than the sum of its proper divisors (293064814002).

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

255391050318 is a wasteful number, since it uses less digits than its factorization.

255391050318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261833.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 255391050318 in words is "two hundred fifty-five billion, three hundred ninety-one million, fifty thousand, three hundred eighteen".