404421112 has 32 divisors (see below), whose sum is σ = 780520320. Its totient is φ = 196368480.

The previous prime is 404421053. The next prime is 404421119. The reversal of 404421112 is 211124404.

It is a self number, because there is not a number n which added to its sum of digits gives 404421112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404421119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32743 + ... + 43369.

It is an arithmetic number, because the mean of its divisors is an integer number (24391260).

Almost surely, 2^404421112 is an apocalyptic number.

It is an amenable number.

404421112 is a deficient number, since it is larger than the sum of its proper divisors (376099208).

404421112 is a wasteful number, since it uses less digits than its factorization.

404421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10771 (or 10767 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 404421112 is about 20110.2240663798. The cubic root of 404421112 is about 739.5109454285.

Adding to 404421112 its reverse (211124404), we get a palindrome (615545516).

The spelling of 404421112 in words is "four hundred four million, four hundred twenty-one thousand, one hundred twelve".