256334025724 has 24 divisors (see below), whose sum is σ = 512678799360. Its totient is φ = 109855136496.

The previous prime is 256334025721. The next prime is 256334025797. The reversal of 256334025724 is 427520433652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256334025721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429337 + ... + 2532655.

It is an arithmetic number, because the mean of its divisors is an integer number (21361616640).

Almost surely, 2^256334025724 is an apocalyptic number.

It is an amenable number.

256334025724 is an abundant number, since it is smaller than the sum of its proper divisors (256344773636).

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

256334025724 is a wasteful number, since it uses less digits than its factorization.

256334025724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191937 (or 191935 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 256334025724 in words is "two hundred fifty-six billion, three hundred thirty-four million, twenty-five thousand, seven hundred twenty-four".