256053347744980 has 48 divisors (see below), whose sum is σ = 538418457682560. Its totient is φ = 102286821990528.

The previous prime is 256053347744977. The next prime is 256053347745043. The reversal of 256053347744980 is 89447743350652.

256053347744980 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 2×256053347744980² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100171651 + ... + 102695989.

It is an arithmetic number, because the mean of its divisors is an integer number (11217051201720).

Almost surely, 2^{256053347744980} is an apocalyptic number.

256053347744980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256053347744980 is an abundant number, since it is smaller than the sum of its proper divisors (282365109937580).

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

256053347744980 is a wasteful number, since it uses less digits than its factorization.

256053347744980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531008 (or 2531006 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 67.

The spelling of 256053347744980 in words is "two hundred fifty-six trillion, fifty-three billion, three hundred forty-seven million, seven hundred forty-four thousand, nine hundred eighty".