805616256 has 32 divisors (see below), whose sum is σ = 2139919200. Its totient is φ = 268538624.

The previous prime is 805616243. The next prime is 805616263. The reversal of 805616256 is 652616508.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048596 + ... + 1049363.

It is an arithmetic number, because the mean of its divisors is an integer number (66872475).

Almost surely, 2^805616256 is an apocalyptic number.

It is an amenable number.

805616256 is an abundant number, since it is smaller than the sum of its proper divisors (1334302944).

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

805616256 is a wasteful number, since it uses less digits than its factorization.

805616256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097976 (or 2097964 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 805616256 is about 28383.3799255832. The cubic root of 805616256 is about 930.4850654915.

The spelling of 805616256 in words is "eight hundred five million, six hundred sixteen thousand, two hundred fifty-six".