404168418004 has 24 divisors (see below), whose sum is σ = 762804404768. Its totient is φ = 186269297760.

The previous prime is 404168418001. The next prime is 404168418023. The reversal of 404168418004 is 400814861404.

It is a happy number.

It is a super-2 number, since 2×404168418004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404168418001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5588142 + ... + 5660005.

Almost surely, 2^404168418004 is an apocalyptic number.

It is an amenable number.

404168418004 is a deficient number, since it is larger than the sum of its proper divisors (358635986764).

404168418004 is a wasteful number, since it uses less digits than its factorization.

404168418004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248855 (or 11248853 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 404168418004 in words is "four hundred four billion, one hundred sixty-eight million, four hundred eighteen thousand, four".