256026124456 has 16 divisors (see below), whose sum is σ = 481432415040. Its totient is φ = 127644147120.

The previous prime is 256026124451. The next prime is 256026124483. The reversal of 256026124456 is 654421620652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (256026124451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46111440 + ... + 46116991.

It is an arithmetic number, because the mean of its divisors is an integer number (30089525940).

Almost surely, 2^256026124456 is an apocalyptic number.

It is an amenable number.

256026124456 is a deficient number, since it is larger than the sum of its proper divisors (225406290584).

256026124456 is a wasteful number, since it uses less digits than its factorization.

256026124456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92228784 (or 92228780 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 256026124456 in words is "two hundred fifty-six billion, twenty-six million, one hundred twenty-four thousand, four hundred fifty-six".