8040040404 has 24 divisors (see below), whose sum is σ = 20465557728. Its totient is φ = 2436375840.

The previous prime is 8040040397. The next prime is 8040040429. The reversal of 8040040404 is 4040400408.

8040040404 is a modest number, since divided by 40404 gives 8040 as remainder.

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, 30454567 + ... + 30454830.

It is an arithmetic number, because the mean of its divisors is an integer number (852731572).

Almost surely, 2^8040040404 is an apocalyptic number.

It is an amenable number.

8040040404 is an abundant number, since it is smaller than the sum of its proper divisors (12425517324).

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

8040040404 is a wasteful number, since it uses less digits than its factorization.

8040040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60909415 (or 60909413 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 8040040404 is about 89666.2723882286. The cubic root of 8040040404 is about 2003.3311489762.

The spelling of 8040040404 in words is "eight billion, forty million, forty thousand, four hundred four".