256530750224 has 40 divisors (see below), whose sum is σ = 573547278720. Its totient is φ = 108874349568.

The previous prime is 256530750181. The next prime is 256530750241. The reversal of 256530750224 is 422057035652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11107169 + ... + 11130240.

It is an arithmetic number, because the mean of its divisors is an integer number (14338681968).

Almost surely, 2^256530750224 is an apocalyptic number.

It is an amenable number.

256530750224 is an abundant number, since it is smaller than the sum of its proper divisors (317016528496).

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

256530750224 is a wasteful number, since it uses less digits than its factorization.

256530750224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22237527 (or 22237521 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 41.

Adding to 256530750224 its reverse (422057035652), we get a palindrome (678587785876).

The spelling of 256530750224 in words is "two hundred fifty-six billion, five hundred thirty million, seven hundred fifty thousand, two hundred twenty-four".