8040404004408 has 40 divisors (see below), whose sum is σ = 22520576032680. Its totient is φ = 2680134667920.

The previous prime is 8040404004397. The next prime is 8040404004431. The reversal of 8040404004408 is 8044004040408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6204014788 + ... + 6204016083.

It is an arithmetic number, because the mean of its divisors is an integer number (563014400817).

Almost surely, 2^{8040404004408} is an apocalyptic number.

It is an amenable number.

8040404004408 is an abundant number, since it is smaller than the sum of its proper divisors (14480172028272).

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

8040404004408 is a wasteful number, since it uses less digits than its factorization.

8040404004408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408030889 (or 12408030876 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

The spelling of 8040404004408 in words is "eight trillion, forty billion, four hundred four million, four thousand, four hundred eight".