40108664291 has 2 divisors, whose sum is σ = 40108664292. Its totient is φ = 40108664290.

The previous prime is 40108664279. The next prime is 40108664329. The reversal of 40108664291 is 19246680104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40108664291 - 2¹⁰ = 40108663267 is a prime.

It is not a weakly prime, because it can be changed into another prime (40108664201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20054332145 + 20054332146.

It is an arithmetic number, because the mean of its divisors is an integer number (20054332146).

Almost surely, 2^40108664291 is an apocalyptic number.

40108664291 is a deficient number, since it is larger than the sum of its proper divisors (1).

40108664291 is an equidigital number, since it uses as much as digits as its factorization.

40108664291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 40108664291 in words is "forty billion, one hundred eight million, six hundred sixty-four thousand, two hundred ninety-one".