404518104 has 32 divisors (see below), whose sum is σ = 1123662000. Its totient is φ = 134839296.

The previous prime is 404518097. The next prime is 404518109. The reversal of 404518104 is 401815404.

It is a happy number.

404518104 is a `hidden beast` number, since 40 + 4 + 518 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404518109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936169 + ... + 936600.

Almost surely, 2^404518104 is an apocalyptic number.

It is an amenable number.

404518104 is an abundant number, since it is smaller than the sum of its proper divisors (719143896).

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

404518104 is a wasteful number, since it uses less digits than its factorization.

404518104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872784 (or 1872774 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 404518104 is about 20112.6354314893. The cubic root of 404518104 is about 739.5700594808.

The spelling of 404518104 in words is "four hundred four million, five hundred eighteen thousand, one hundred four".