80000040404 has 12 divisors (see below), whose sum is σ = 140007119700. Its totient is φ = 39998006208.

The previous prime is 80000040383. The next prime is 80000040413. The reversal of 80000040404 is 40404000008.

It can be written as a sum of positive squares in 2 ways, for example, as 64794684304 + 15205356100 = 254548^2 + 123310^2 .

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, 412289 + ... + 574440.

It is an arithmetic number, because the mean of its divisors is an integer number (11667259975).

Almost surely, 2^80000040404 is an apocalyptic number.

It is an amenable number.

80000040404 is a deficient number, since it is larger than the sum of its proper divisors (60007079296).

80000040404 is a wasteful number, since it uses less digits than its factorization.

80000040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007002 (or 1007000 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The spelling of 80000040404 in words is "eighty billion, forty thousand, four hundred four".