808004440 has 16 divisors (see below), whose sum is σ = 1818010080. Its totient is φ = 323201760.

The previous prime is 808004423. The next prime is 808004459. The reversal of 808004440 is 44400808.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 808004399 and 808004408.

It is a congruent number.

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, 10100016 + ... + 10100095.

It is an arithmetic number, because the mean of its divisors is an integer number (113625630).

Almost surely, 2^808004440 is an apocalyptic number.

It is an amenable number.

808004440 is an abundant number, since it is smaller than the sum of its proper divisors (1010005640).

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

808004440 is a wasteful number, since it uses less digits than its factorization.

808004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200122 (or 20200118 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 808004440 is about 28425.4189063240. The cubic root of 808004440 is about 931.4036075908.

The spelling of 808004440 in words is "eight hundred eight million, four thousand, four hundred forty".