40404107 has 4 divisors (see below), whose sum is σ = 40661616. Its totient is φ = 40146600.

The previous prime is 40404101. The next prime is 40404139. The reversal of 40404107 is 70140404.

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 40404107 - 2⁶ = 40404043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40404101) 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, 128519 + ... + 128832.

It is an arithmetic number, because the mean of its divisors is an integer number (10165404).

Almost surely, 2^40404107 is an apocalyptic number.

40404107 is a deficient number, since it is larger than the sum of its proper divisors (257509).

40404107 is a wasteful number, since it uses less digits than its factorization.

40404107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257508.

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

The square root of 40404107 is about 6356.4225001175. The cubic root of 40404107 is about 343.1430213283.

The spelling of 40404107 in words is "forty million, four hundred four thousand, one hundred seven".