256462207608 has 32 divisors (see below), whose sum is σ = 641182060800. Its totient is φ = 85483863648.

The previous prime is 256462207601. The next prime is 256462207643. The reversal of 256462207608 is 806702264652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256462207601) 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 7 ways as a sum of consecutive naturals, for example, 407073 + ... + 823791.

It is an arithmetic number, because the mean of its divisors is an integer number (20036939400).

Almost surely, 2^256462207608 is an apocalyptic number.

It is an amenable number.

256462207608 is an abundant number, since it is smaller than the sum of its proper divisors (384719853192).

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

256462207608 is a wasteful number, since it uses less digits than its factorization.

256462207608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442371 (or 442367 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 256462207608 in words is "two hundred fifty-six billion, four hundred sixty-two million, two hundred seven thousand, six hundred eight".