255044123453520 has 60 divisors (see below), whose sum is σ = 856523181267156. Its totient is φ = 68011766254080.

The previous prime is 255044123453461. The next prime is 255044123453543. The reversal of 255044123453520 is 25354321440552.

255044123453520 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 4 + 41 + 2 + 34 + 53 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 113977573856784 + 141066549596736 = 10676028^2 + 11877144^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 11 ways as a sum of consecutive naturals, for example, 177113973901 + ... + 177113975340.

Almost surely, 2^{255044123453520} is an apocalyptic number.

255044123453520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255044123453520 is an abundant number, since it is smaller than the sum of its proper divisors (601479057813636).

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

255044123453520 is a wasteful number, since it uses less digits than its factorization.

255044123453520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354227949260 (or 354227949251 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 255044123453520 in words is "two hundred fifty-five trillion, forty-four billion, one hundred twenty-three million, four hundred fifty-three thousand, five hundred twenty".