804368440 has 16 divisors (see below), whose sum is σ = 1809829080. Its totient is φ = 321747360.

The previous prime is 804368431. The next prime is 804368479. The reversal of 804368440 is 44863408.

It is a self number, because there is not a number n which added to its sum of digits gives 804368440.

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, 10054566 + ... + 10054645.

Almost surely, 2^804368440 is an apocalyptic number.

It is an amenable number.

804368440 is an abundant number, since it is smaller than the sum of its proper divisors (1005460640).

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

804368440 is a wasteful number, since it uses less digits than its factorization.

804368440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20109222 (or 20109218 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 804368440 is about 28361.3899518342. The cubic root of 804368440 is about 930.0044089666.

The spelling of 804368440 in words is "eight hundred four million, three hundred sixty-eight thousand, four hundred forty".