255223520464 has 40 divisors (see below), whose sum is σ = 540548572320. Its totient is φ = 115774377600.

The previous prime is 255223520411. The next prime is 255223520477. The reversal of 255223520464 is 464025322552.

255223520464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390299 + ... + 1563130.

It is an arithmetic number, because the mean of its divisors is an integer number (13513714308).

Almost surely, 2^255223520464 is an apocalyptic number.

It is an amenable number.

255223520464 is an abundant number, since it is smaller than the sum of its proper divisors (285325051856).

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

255223520464 is a wasteful number, since it uses less digits than its factorization.

255223520464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953939 (or 2953933 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 255223520464 in words is "two hundred fifty-five billion, two hundred twenty-three million, five hundred twenty thousand, four hundred sixty-four".