255723360844228 has 24 divisors (see below), whose sum is σ = 455619243423960. Its totient is φ = 125553503608320.

The previous prime is 255723360844219. The next prime is 255723360844247. The reversal of 255723360844228 is 822448063327552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6023696479684 + 249699664364544 = 2454322^2 + 15801888^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883537063 + ... + 883826446.

It is an arithmetic number, because the mean of its divisors is an integer number (18984135142665).

Almost surely, 2^{255723360844228} is an apocalyptic number.

It is an amenable number.

255723360844228 is a deficient number, since it is larger than the sum of its proper divisors (199895882579732).

255723360844228 is a wasteful number, since it uses less digits than its factorization.

255723360844228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767364167 (or 1767364165 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 61.

The spelling of 255723360844228 in words is "two hundred fifty-five trillion, seven hundred twenty-three billion, three hundred sixty million, eight hundred forty-four thousand, two hundred twenty-eight".