256510045455041 has 32 divisors (see below), whose sum is σ = 301343672694528. Its totient is φ = 213797777356800.

The previous prime is 256510045455023. The next prime is 256510045455049. The reversal of 256510045455041 is 140554540015652.

It is not a de Polignac number, because 256510045455041 - 2¹⁴ = 256510045438657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256510045455049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914493866 + ... + 914774316.

It is an arithmetic number, because the mean of its divisors is an integer number (9416989771704).

Almost surely, 2^{256510045455041} is an apocalyptic number.

It is an amenable number.

256510045455041 is a deficient number, since it is larger than the sum of its proper divisors (44833627239487).

256510045455041 is a wasteful number, since it uses less digits than its factorization.

256510045455041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302441.

The product of its (nonzero) digits is 2400000, while the sum is 47.

The spelling of 256510045455041 in words is "two hundred fifty-six trillion, five hundred ten billion, forty-five million, four hundred fifty-five thousand, forty-one".