404340112 has 20 divisors (see below), whose sum is σ = 854628336. Its totient is φ = 183790880.

The previous prime is 404340089. The next prime is 404340113. The reversal of 404340112 is 211043404.

It is a self number, because there is not a number n which added to its sum of digits gives 404340112.

It is not an unprimeable number, because it can be changed into a prime (404340113) 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 3 ways as a sum of consecutive naturals, for example, 1148518 + ... + 1148869.

Almost surely, 2^404340112 is an apocalyptic number.

It is an amenable number.

404340112 is an abundant number, since it is smaller than the sum of its proper divisors (450288224).

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

404340112 is a wasteful number, since it uses less digits than its factorization.

404340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297406 (or 2297400 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 404340112 is about 20108.2100645483. The cubic root of 404340112 is about 739.4615708332.

Adding to 404340112 its reverse (211043404), we get a palindrome (615383516).

The spelling of 404340112 in words is "four hundred four million, three hundred forty thousand, one hundred twelve".