256477034755426 has 48 divisors (see below), whose sum is σ = 423430373294208. Its totient is φ = 116102271895680.

The previous prime is 256477034755343. The next prime is 256477034755433. The reversal of 256477034755426 is 624557430774652.

256477034755426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 18045166 + ... + 28958281.

It is an arithmetic number, because the mean of its divisors is an integer number (8821466110296).

Almost surely, 2^{256477034755426} is an apocalyptic number.

256477034755426 is a deficient number, since it is larger than the sum of its proper divisors (166953338538782).

256477034755426 is a wasteful number, since it uses less digits than its factorization.

256477034755426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47003695 (or 47003664 counting only the distinct ones).

The product of its (nonzero) digits is 1185408000, while the sum is 67.

The spelling of 256477034755426 in words is "two hundred fifty-six trillion, four hundred seventy-seven billion, thirty-four million, seven hundred fifty-five thousand, four hundred twenty-six".