40655107 has 2 divisors, whose sum is σ = 40655108. Its totient is φ = 40655106.

The previous prime is 40655063. The next prime is 40655123. The reversal of 40655107 is 70155604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40655107 is a prime.

It is not a weakly prime, because it can be changed into another prime (40650107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20327553 + 20327554.

It is an arithmetic number, because the mean of its divisors is an integer number (20327554).

Almost surely, 2^40655107 is an apocalyptic number.

40655107 is a deficient number, since it is larger than the sum of its proper divisors (1).

40655107 is an equidigital number, since it uses as much as digits as its factorization.

40655107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 40655107 is about 6376.1357419679. The cubic root of 40655107 is about 343.8521172315.

The spelling of 40655107 in words is "forty million, six hundred fifty-five thousand, one hundred seven".