404118113 has 4 divisors (see below), whose sum is σ = 461849280. Its totient is φ = 346386948.

The previous prime is 404118109. The next prime is 404118137. The reversal of 404118113 is 311811404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404118113 - 2² = 404118109 is a prime.

It is a super-2 number, since 2×404118113² = 326622898509361538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404118193) 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, 28865573 + ... + 28865586.

It is an arithmetic number, because the mean of its divisors is an integer number (115462320).

Almost surely, 2^404118113 is an apocalyptic number.

It is an amenable number.

404118113 is a deficient number, since it is larger than the sum of its proper divisors (57731167).

404118113 is an equidigital number, since it uses as much as digits as its factorization.

404118113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57731166.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 404118113 is about 20102.6891982143. The cubic root of 404118113 is about 739.3262146673.

Adding to 404118113 its reverse (311811404), we get a palindrome (715929517).

The spelling of 404118113 in words is "four hundred four million, one hundred eighteen thousand, one hundred thirteen".