255031304244522 has 64 divisors (see below), whose sum is σ = 553049049079296. Its totient is φ = 77935997707200.

The previous prime is 255031304244491. The next prime is 255031304244551. The reversal of 255031304244522 is 225442403130552.

It is a super-2 number, since 2×255031304244522² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11535853 + ... + 25360175.

It is an arithmetic number, because the mean of its divisors is an integer number (8641391391864).

Almost surely, 2^{255031304244522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255031304244522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276524524539648).

255031304244522 is an abundant number, since it is smaller than the sum of its proper divisors (298017744834774).

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

255031304244522 is a wasteful number, since it uses less digits than its factorization.

255031304244522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13825955.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 255031304244522 in words is "two hundred fifty-five trillion, thirty-one billion, three hundred four million, two hundred forty-four thousand, five hundred twenty-two".