808844840 has 32 divisors (see below), whose sum is σ = 1825428960. Its totient is φ = 322555200.

The previous prime is 808844833. The next prime is 808844857. The reversal of 808844840 is 48448808.

808844840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 808844791 and 808844800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17306 + ... + 43785.

It is an arithmetic number, because the mean of its divisors is an integer number (57044655).

Almost surely, 2^808844840 is an apocalyptic number.

It is an amenable number.

808844840 is an abundant number, since it is smaller than the sum of its proper divisors (1016584120).

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

808844840 is a wasteful number, since it uses less digits than its factorization.

808844840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61433 (or 61429 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The square root of 808844840 is about 28440.1976083149. The cubic root of 808844840 is about 931.7264112503.

The spelling of 808844840 in words is "eight hundred eight million, eight hundred forty-four thousand, eight hundred forty".