40665107 has 8 divisors (see below), whose sum is σ = 46594656. Its totient is φ = 34765632.

The previous prime is 40665091. The next prime is 40665167. The reversal of 40665107 is 70156604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40665107 - 2⁴ = 40665091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40665107.

It is not an unprimeable number, because it can be changed into a prime (40665167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4538 + ... + 10095.

It is an arithmetic number, because the mean of its divisors is an integer number (5824332).

Almost surely, 2^40665107 is an apocalyptic number.

40665107 is a deficient number, since it is larger than the sum of its proper divisors (5929549).

40665107 is a wasteful number, since it uses less digits than its factorization.

40665107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15037.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40665107 is about 6376.9198677732. The cubic root of 40665107 is about 343.8803075339.

The spelling of 40665107 in words is "forty million, six hundred sixty-five thousand, one hundred seven".