40502055317 has 2 divisors, whose sum is σ = 40502055318. Its totient is φ = 40502055316.

The previous prime is 40502055289. The next prime is 40502055323. The reversal of 40502055317 is 71355020504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33304060036 + 7197995281 = 182494^2 + 84841^2 .

It is a cyclic number.

It is not a de Polignac number, because 40502055317 - 2²² = 40497861013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40502055617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251027658 + 20251027659.

It is an arithmetic number, because the mean of its divisors is an integer number (20251027659).

Almost surely, 2^40502055317 is an apocalyptic number.

It is an amenable number.

40502055317 is a deficient number, since it is larger than the sum of its proper divisors (1).

40502055317 is an equidigital number, since it uses as much as digits as its factorization.

40502055317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 40502055317 in words is "forty billion, five hundred two million, fifty-five thousand, three hundred seventeen".