40506440713 has 2 divisors, whose sum is σ = 40506440714. Its totient is φ = 40506440712.

The previous prime is 40506440659. The next prime is 40506440759. The reversal of 40506440713 is 31704460504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37506906889 + 2999533824 = 193667^2 + 54768^2 .

It is a cyclic number.

It is not a de Polignac number, because 40506440713 - 2⁹ = 40506440201 is a prime.

It is not a weakly prime, because it can be changed into another prime (40506447713) 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, 20253220356 + 20253220357.

It is an arithmetic number, because the mean of its divisors is an integer number (20253220357).

Almost surely, 2^40506440713 is an apocalyptic number.

It is an amenable number.

40506440713 is a deficient number, since it is larger than the sum of its proper divisors (1).

40506440713 is an equidigital number, since it uses as much as digits as its factorization.

40506440713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 40506440713 in words is "forty billion, five hundred six million, four hundred forty thousand, seven hundred thirteen".