256830336488 has 16 divisors (see below), whose sum is σ = 525334779360. Its totient is φ = 116741062000.

The previous prime is 256830336481. The next prime is 256830336491. The reversal of 256830336488 is 884633038652.

It is not an unprimeable number, because it can be changed into a prime (256830336481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459263188 + ... + 1459263363.

It is an arithmetic number, because the mean of its divisors is an integer number (32833423710).

Almost surely, 2^256830336488 is an apocalyptic number.

It is an amenable number.

256830336488 is an abundant number, since it is smaller than the sum of its proper divisors (268504442872).

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

256830336488 is a wasteful number, since it uses less digits than its factorization.

256830336488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918526568 (or 2918526564 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 256830336488 in words is "two hundred fifty-six billion, eight hundred thirty million, three hundred thirty-six thousand, four hundred eighty-eight".