404400107 has 4 divisors (see below), whose sum is σ = 404453520. Its totient is φ = 404346696.

The previous prime is 404400089. The next prime is 404400119. The reversal of 404400107 is 701004404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404400107 - 2⁶ = 404400043 is a prime.

It is a super-2 number, since 2×404400107² = 327078893083222898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404400127) 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, 13007 + ... + 31272.

It is an arithmetic number, because the mean of its divisors is an integer number (101113380).

Almost surely, 2^404400107 is an apocalyptic number.

404400107 is a deficient number, since it is larger than the sum of its proper divisors (53413).

404400107 is an equidigital number, since it uses as much as digits as its factorization.

404400107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53412.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 404400107 is about 20109.7018128067. The cubic root of 404400107 is about 739.4981421928.

The spelling of 404400107 in words is "four hundred four million, four hundred thousand, one hundred seven".