255031353858 has 16 divisors (see below), whose sum is σ = 510147691200. Its totient is φ = 84996287376.

The previous prime is 255031353853. The next prime is 255031353881. The reversal of 255031353858 is 858353130552.

It is a super-2 number, since 2×255031353858² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255031353853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501933 + ... + 3574016.

It is an arithmetic number, because the mean of its divisors is an integer number (31884230700).

Almost surely, 2^255031353858 is an apocalyptic number.

255031353858 is an abundant number, since it is smaller than the sum of its proper divisors (255116337342).

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

255031353858 is a wasteful number, since it uses less digits than its factorization.

255031353858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7081961.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 255031353858 in words is "two hundred fifty-five billion, thirty-one million, three hundred fifty-three thousand, eight hundred fifty-eight".