404000112 has 20 divisors (see below), whose sum is σ = 1043667080. Its totient is φ = 134666688.

The previous prime is 404000111. The next prime is 404000123. The reversal of 404000112 is 211000404.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404000111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208287 + ... + 4208382.

It is an arithmetic number, because the mean of its divisors is an integer number (52183354).

Almost surely, 2^404000112 is an apocalyptic number.

It is an amenable number.

404000112 is an abundant number, since it is smaller than the sum of its proper divisors (639666968).

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

404000112 is a wasteful number, since it uses less digits than its factorization.

404000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8416680 (or 8416674 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 404000112 is about 20099.7540283457. The cubic root of 404000112 is about 739.2542474853.

Adding to 404000112 its reverse (211000404), we get a palindrome (615000516).

The spelling of 404000112 in words is "four hundred four million, one hundred twelve", and thus it is an aban number.