256053922758 has 24 divisors (see below), whose sum is σ = 554805342000. Its totient is φ = 85347947184.

The previous prime is 256053922757. The next prime is 256053922771. The reversal of 256053922758 is 857229350652.

It is a happy number.

256053922758 is a `hidden beast` number, since 2 + 5 + 605 + 3 + 9 + 2 + 27 + 5 + 8 = 666.

256053922758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256053922758² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256053922753) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 213343 + ... + 746741.

It is an arithmetic number, because the mean of its divisors is an integer number (23116889250).

Almost surely, 2^256053922758 is an apocalyptic number.

256053922758 is an abundant number, since it is smaller than the sum of its proper divisors (298751419242).

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

256053922758 is a wasteful number, since it uses less digits than its factorization.

256053922758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560076 (or 560073 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 256053922758 in words is "two hundred fifty-six billion, fifty-three million, nine hundred twenty-two thousand, seven hundred fifty-eight".