256052333436290 has 32 divisors (see below), whose sum is σ = 485179990888320. Its totient is φ = 97024717689984.

The previous prime is 256052333436169. The next prime is 256052333436301. The reversal of 256052333436290 is 92634333250652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35890427 + ... + 42429086.

It is an arithmetic number, because the mean of its divisors is an integer number (15161874715260).

Almost surely, 2^{256052333436290} is an apocalyptic number.

256052333436290 is a deficient number, since it is larger than the sum of its proper divisors (229127657452030).

256052333436290 is a wasteful number, since it uses less digits than its factorization.

256052333436290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78336746.

The product of its (nonzero) digits is 20995200, while the sum is 53.

The spelling of 256052333436290 in words is "two hundred fifty-six trillion, fifty-two billion, three hundred thirty-three million, four hundred thirty-six thousand, two hundred ninety".