40865107 has 2 divisors, whose sum is σ = 40865108. Its totient is φ = 40865106.

The previous prime is 40865101. The next prime is 40865117. The reversal of 40865107 is 70156804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40865107 - 2¹⁵ = 40832339 is a prime.

It is not a weakly prime, because it can be changed into another prime (40865101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20432553 + 20432554.

It is an arithmetic number, because the mean of its divisors is an integer number (20432554).

Almost surely, 2^40865107 is an apocalyptic number.

40865107 is a deficient number, since it is larger than the sum of its proper divisors (1).

40865107 is an equidigital number, since it uses as much as digits as its factorization.

40865107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 40865107 is about 6392.5821856273. The cubic root of 40865107 is about 344.4431456497.

The spelling of 40865107 in words is "forty million, eight hundred sixty-five thousand, one hundred seven".