256031606122350 has 48 divisors (see below), whose sum is σ = 668377245463680. Its totient is φ = 64681668914400.

The previous prime is 256031606122301. The next prime is 256031606122361. The reversal of 256031606122350 is 53221606130652.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44917822786 + ... + 44917828485.

It is an arithmetic number, because the mean of its divisors is an integer number (13924525947160).

Almost surely, 2^{256031606122350} is an apocalyptic number.

256031606122350 is an abundant number, since it is smaller than the sum of its proper divisors (412345639341330).

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

256031606122350 is a wasteful number, since it uses less digits than its factorization.

256031606122350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89835651305 (or 89835651300 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 256031606122350 in words is "two hundred fifty-six trillion, thirty-one billion, six hundred six million, one hundred twenty-two thousand, three hundred fifty".