404115112 has 8 divisors (see below), whose sum is σ = 757715850. Its totient is φ = 202057552.

The previous prime is 404115067. The next prime is 404115113. The reversal of 404115112 is 211511404.

It can be written as a sum of positive squares in only one way, i.e., 266146596 + 137968516 = 16314^2 + 11746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 404115112.

It is not an unprimeable number, because it can be changed into a prime (404115113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25257187 + ... + 25257202.

Almost surely, 2^404115112 is an apocalyptic number.

It is an amenable number.

404115112 is a deficient number, since it is larger than the sum of its proper divisors (353600738).

404115112 is a wasteful number, since it uses less digits than its factorization.

404115112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50514395 (or 50514391 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 404115112 is about 20102.6145563208. The cubic root of 404115112 is about 739.3243845724.

Adding to 404115112 its reverse (211511404), we get a palindrome (615626516).

The spelling of 404115112 in words is "four hundred four million, one hundred fifteen thousand, one hundred twelve".