800804008840 has 32 divisors (see below), whose sum is σ = 1965609840960. Its totient is φ = 291201457600.

The previous prime is 800804008789. The next prime is 800804008843. The reversal of 800804008840 is 48800408008.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 800804008793 and 800804008802.

It is not an unprimeable number, because it can be changed into a prime (800804008843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910004116 + ... + 910004995.

It is an arithmetic number, because the mean of its divisors is an integer number (61425307530).

Almost surely, 2^800804008840 is an apocalyptic number.

It is an amenable number.

800804008840 is an abundant number, since it is smaller than the sum of its proper divisors (1164805832120).

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

800804008840 is a wasteful number, since it uses less digits than its factorization.

800804008840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820009133 (or 1820009129 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 800804008840 in words is "eight hundred billion, eight hundred four million, eight thousand, eight hundred forty".