404064201186 has 24 divisors (see below), whose sum is σ = 875764279884. Its totient is φ = 134643168000.

The previous prime is 404064201173. The next prime is 404064201187. The reversal of 404064201186 is 681102460404.

It is a happy number.

404064201186 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 642 + 0 + 1 + 1 + 8 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 404057279025 + 6922161 = 635655^2 + 2631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404064201186.

It is not an unprimeable number, because it can be changed into a prime (404064201187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3686071 + ... + 3794106.

Almost surely, 2^404064201186 is an apocalyptic number.

404064201186 is an abundant number, since it is smaller than the sum of its proper divisors (471700078698).

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

404064201186 is a wasteful number, since it uses less digits than its factorization.

404064201186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7483186 (or 7483183 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 404064201186 in words is "four hundred four billion, sixty-four million, two hundred one thousand, one hundred eighty-six".