8400400084408 has 48 divisors (see below), whose sum is σ = 16664014170000. Its totient is φ = 3969407382912.

The previous prime is 8400400084397. The next prime is 8400400084411. The reversal of 8400400084408 is 8044800040048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2374708 + ... + 4737091.

It is an arithmetic number, because the mean of its divisors is an integer number (347166961875).

Almost surely, 2^{8400400084408} is an apocalyptic number.

It is an amenable number.

8400400084408 is a deficient number, since it is larger than the sum of its proper divisors (8263614085592).

8400400084408 is a wasteful number, since it uses less digits than its factorization.

8400400084408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7112252 (or 7112229 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 8400400084408 in words is "eight trillion, four hundred billion, four hundred million, eighty-four thousand, four hundred eight".