40131310444717 has 2 divisors, whose sum is σ = 40131310444718. Its totient is φ = 40131310444716.

The previous prime is 40131310444663. The next prime is 40131310444721. The reversal of 40131310444717 is 71744401313104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32350033668681 + 7781276776036 = 5687709^2 + 2789494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40131310444717 is a prime.

It is a super-2 number, since 2×40131310444717² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40131310444717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40131310444217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065655222358 + 20065655222359.

It is an arithmetic number, because the mean of its divisors is an integer number (20065655222359).

Almost surely, 2^{40131310444717} is an apocalyptic number.

It is an amenable number.

40131310444717 is a deficient number, since it is larger than the sum of its proper divisors (1).

40131310444717 is an equidigital number, since it uses as much as digits as its factorization.

40131310444717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 40131310444717 in words is "forty trillion, one hundred thirty-one billion, three hundred ten million, four hundred forty-four thousand, seven hundred seventeen".