256122146724 has 24 divisors (see below), whose sum is σ = 597687840960. Its totient is φ = 85364120544.

The previous prime is 256122146713. The next prime is 256122146741. The reversal of 256122146724 is 427641221652.

256122146724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1133184 + ... + 1340279.

It is an arithmetic number, because the mean of its divisors is an integer number (24903660040).

Almost surely, 2^256122146724 is an apocalyptic number.

It is an amenable number.

256122146724 is an abundant number, since it is smaller than the sum of its proper divisors (341565694236).

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

256122146724 is a wasteful number, since it uses less digits than its factorization.

256122146724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482099 (or 2482097 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The spelling of 256122146724 in words is "two hundred fifty-six billion, one hundred twenty-two million, one hundred forty-six thousand, seven hundred twenty-four".