804808044 has 18 divisors (see below), whose sum is σ = 2034375980. Its totient is φ = 268269336.

The previous prime is 804808009. The next prime is 804808049. The reversal of 804808044 is 440808408.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 22355779 = 804808044 / (8 + 0 + 4 + 8 + 0 + 8 + 0 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (804808049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11177854 + ... + 11177925.

Almost surely, 2^804808044 is an apocalyptic number.

It is an amenable number.

804808044 is an abundant number, since it is smaller than the sum of its proper divisors (1229567936).

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

804808044 is a wasteful number, since it uses less digits than its factorization.

804808044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22355789 (or 22355784 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 804808044 is about 28369.1389365275. The cubic root of 804808044 is about 930.1738003309.

The spelling of 804808044 in words is "eight hundred four million, eight hundred eight thousand, forty-four".