8404188552172 has 24 divisors (see below), whose sum is σ = 17125516298016. Its totient is φ = 3533836695168.

The previous prime is 8404188552161. The next prime is 8404188552223. The reversal of 8404188552172 is 2712558814048.

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, 2831598433 + ... + 2831601400.

It is an arithmetic number, because the mean of its divisors is an integer number (713563179084).

Almost surely, 2^{8404188552172} is an apocalyptic number.

It is an amenable number.

8404188552172 is an abundant number, since it is smaller than the sum of its proper divisors (8721327745844).

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

8404188552172 is a wasteful number, since it uses less digits than its factorization.

8404188552172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663199897 (or 5663199895 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 55.

The spelling of 8404188552172 in words is "eight trillion, four hundred four billion, one hundred eighty-eight million, five hundred fifty-two thousand, one hundred seventy-two".