256332559532 has 24 divisors (see below), whose sum is σ = 512815519776. Its totient is φ = 109824582528.

The previous prime is 256332559531. The next prime is 256332559543. The reversal of 256332559532 is 235955233652.

It is not an unprimeable number, because it can be changed into a prime (256332559531) 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, 1245593 + ... + 1436720.

It is an arithmetic number, because the mean of its divisors is an integer number (21367313324).

Almost surely, 2^256332559532 is an apocalyptic number.

It is an amenable number.

256332559532 is an abundant number, since it is smaller than the sum of its proper divisors (256482960244).

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

256332559532 is a wasteful number, since it uses less digits than its factorization.

256332559532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685737 (or 2685735 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 50.

The spelling of 256332559532 in words is "two hundred fifty-six billion, three hundred thirty-two million, five hundred fifty-nine thousand, five hundred thirty-two".