256425325304 has 16 divisors (see below), whose sum is σ = 480818769120. Its totient is φ = 128206986880.

The previous prime is 256425325291. The next prime is 256425325309. The reversal of 256425325304 is 403523524652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256425325309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514304 + ... + 881679.

It is an arithmetic number, because the mean of its divisors is an integer number (30051173070).

Almost surely, 2^256425325304 is an apocalyptic number.

It is an amenable number.

256425325304 is a deficient number, since it is larger than the sum of its proper divisors (224393443816).

256425325304 is a wasteful number, since it uses less digits than its factorization.

256425325304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418950 (or 1418946 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 256425325304 its reverse (403523524652), we get a palindrome (659948849956).

The spelling of 256425325304 in words is "two hundred fifty-six billion, four hundred twenty-five million, three hundred twenty-five thousand, three hundred four".