256755722060 has 12 divisors (see below), whose sum is σ = 539187016368. Its totient is φ = 102702288816.

The previous prime is 256755722059. The next prime is 256755722101. The reversal of 256755722060 is 60227557652.

It is a junction number, because it is equal to n+sod(n) for n = 256755721996 and 256755722014.

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 3 ways as a sum of consecutive naturals, for example, 6418893032 + ... + 6418893071.

It is an arithmetic number, because the mean of its divisors is an integer number (44932251364).

Almost surely, 2^256755722060 is an apocalyptic number.

256755722060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256755722060 is an abundant number, since it is smaller than the sum of its proper divisors (282431294308).

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

256755722060 is a wasteful number, since it uses less digits than its factorization.

256755722060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837786112 (or 12837786110 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 256755722060 in words is "two hundred fifty-six billion, seven hundred fifty-five million, seven hundred twenty-two thousand, sixty".