256510041617470 has 64 divisors (see below), whose sum is σ = 478777749146496. Its totient is φ = 98891923253760.

The previous prime is 256510041617447. The next prime is 256510041617539. The reversal of 256510041617470 is 74716140015652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1880889 + ... + 22727908.

It is an arithmetic number, because the mean of its divisors is an integer number (7480902330414).

Almost surely, 2^{256510041617470} is an apocalyptic number.

256510041617470 is a deficient number, since it is larger than the sum of its proper divisors (222267707529026).

256510041617470 is a wasteful number, since it uses less digits than its factorization.

256510041617470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24609205.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 256510041617470 in words is "two hundred fifty-six trillion, five hundred ten billion, forty-one million, six hundred seventeen thousand, four hundred seventy".