804884440 has 32 divisors (see below), whose sum is σ = 1817552880. Its totient is φ = 320787072.

The previous prime is 804884417. The next prime is 804884491. The reversal of 804884440 is 44488408.

It is a super-2 number, since 2×804884440² = 1295677923508227200, which contains 22 as substring.

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 = 804884393 and 804884402.

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, 25242 + ... + 47401.

Almost surely, 2^804884440 is an apocalyptic number.

It is an amenable number.

804884440 is an abundant number, since it is smaller than the sum of its proper divisors (1012668440).

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

804884440 is a wasteful number, since it uses less digits than its factorization.

804884440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72931 (or 72927 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 804884440 is about 28370.4853677197. The cubic root of 804884440 is about 930.2032314935.

The spelling of 804884440 in words is "eight hundred four million, eight hundred eighty-four thousand, four hundred forty".