808800008440 has 32 divisors (see below), whose sum is σ = 1819882440000. Its totient is φ = 323505350784.

The previous prime is 808800008437. The next prime is 808800008459. The reversal of 808800008440 is 44800008808.

808800008440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 808800008393 and 808800008402.

It is a congruent number.

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, 458986 + ... + 1352134.

It is an arithmetic number, because the mean of its divisors is an integer number (56871326250).

Almost surely, 2^808800008440 is an apocalyptic number.

It is an amenable number.

808800008440 is an abundant number, since it is smaller than the sum of its proper divisors (1011082431560).

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

808800008440 is a wasteful number, since it uses less digits than its factorization.

808800008440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915799 (or 915795 counting only the distinct ones).

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

The spelling of 808800008440 in words is "eight hundred eight billion, eight hundred million, eight thousand, four hundred forty".