40740400407017 has 2 divisors, whose sum is σ = 40740400407018. Its totient is φ = 40740400407016.

The previous prime is 40740400406941. The next prime is 40740400407019. The reversal of 40740400407017 is 71070400404704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40150928098576 + 589472308441 = 6336476^2 + 767771^2 .

It is a cyclic number.

It is not a de Polignac number, because 40740400407017 - 2¹² = 40740400402921 is a prime.

Together with 40740400407019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40740400407019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20370200203508 + 20370200203509.

It is an arithmetic number, because the mean of its divisors is an integer number (20370200203509).

Almost surely, 2^{40740400407017} is an apocalyptic number.

It is an amenable number.

40740400407017 is a deficient number, since it is larger than the sum of its proper divisors (1).

40740400407017 is an equidigital number, since it uses as much as digits as its factorization.

40740400407017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 38.

The spelling of 40740400407017 in words is "forty trillion, seven hundred forty billion, four hundred million, four hundred seven thousand, seventeen".