404403999992 has 16 divisors (see below), whose sum is σ = 763087167960. Its totient is φ = 200914088544.

The previous prime is 404403999991. The next prime is 404404000027. The reversal of 404403999992 is 299999304404.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404403999991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160987598 + ... + 160990109.

Almost surely, 2^404403999992 is an apocalyptic number.

It is an amenable number.

404403999992 is a deficient number, since it is larger than the sum of its proper divisors (358683167968).

404403999992 is a wasteful number, since it uses less digits than its factorization.

404403999992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321977870 (or 321977866 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 62.

The spelling of 404403999992 in words is "four hundred four billion, four hundred three million, nine hundred ninety-nine thousand, nine hundred ninety-two".