256543053562260 has 96 divisors (see below), whose sum is σ = 817600626057600. Its totient is φ = 66742908238080.

The previous prime is 256543053562249. The next prime is 256543053562277. The reversal of 256543053562260 is 62265350345652.

256543053562260 is a `hidden beast` number, since 2 + 5 + 6 + 5 + 4 + 3 + 0 + 5 + 3 + 5 + 622 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 256543053562197 and 256543053562206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5793633090 + ... + 5793677369.

It is an arithmetic number, because the mean of its divisors is an integer number (8516673188100).

Almost surely, 2^{256543053562260} is an apocalyptic number.

256543053562260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256543053562260 is an abundant number, since it is smaller than the sum of its proper divisors (561057572495340).

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

256543053562260 is a wasteful number, since it uses less digits than its factorization.

256543053562260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11587310518 (or 11587310510 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 54.

The spelling of 256543053562260 in words is "two hundred fifty-six trillion, five hundred forty-three billion, fifty-three million, five hundred sixty-two thousand, two hundred sixty".