804408844842 has 24 divisors (see below), whose sum is σ = 1748057611716. Its totient is φ = 267340622976.

The previous prime is 804408844829. The next prime is 804408844859. The reversal of 804408844842 is 248448804408.

804408844842 is a `hidden beast` number, since 8 + 0 + 440 + 88 + 44 + 84 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 795822783921 + 8586060921 = 892089^2 + 92661^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66298653 + ... + 66310784.

Almost surely, 2^804408844842 is an apocalyptic number.

804408844842 is an abundant number, since it is smaller than the sum of its proper divisors (943648766874).

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

804408844842 is a wasteful number, since it uses less digits than its factorization.

804408844842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132609782 (or 132609779 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 54.

The spelling of 804408844842 in words is "eight hundred four billion, four hundred eight million, eight hundred forty-four thousand, eight hundred forty-two".