40308707 has 2 divisors, whose sum is σ = 40308708. Its totient is φ = 40308706.

The previous prime is 40308691. The next prime is 40308713. The reversal of 40308707 is 70780304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40308707 - 2⁴ = 40308691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40308707.

It is not a weakly prime, because it can be changed into another prime (40308727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20154353 + 20154354.

It is an arithmetic number, because the mean of its divisors is an integer number (20154354).

Almost surely, 2^40308707 is an apocalyptic number.

40308707 is a deficient number, since it is larger than the sum of its proper divisors (1).

40308707 is an equidigital number, since it uses as much as digits as its factorization.

40308707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 40308707 is about 6348.9138441154. The cubic root of 40308707 is about 342.8727382208.

The spelling of 40308707 in words is "forty million, three hundred eight thousand, seven hundred seven".