40464426017 has 2 divisors, whose sum is σ = 40464426018. Its totient is φ = 40464426016.

The previous prime is 40464425983. The next prime is 40464426031. The reversal of 40464426017 is 71062446404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26982661696 + 13481764321 = 164264^2 + 116111^2 .

It is a cyclic number.

It is not a de Polignac number, because 40464426017 - 2¹⁰ = 40464424993 is a prime.

It is not a weakly prime, because it can be changed into another prime (40464426047) 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, 20232213008 + 20232213009.

It is an arithmetic number, because the mean of its divisors is an integer number (20232213009).

Almost surely, 2^40464426017 is an apocalyptic number.

It is an amenable number.

40464426017 is a deficient number, since it is larger than the sum of its proper divisors (1).

40464426017 is an equidigital number, since it uses as much as digits as its factorization.

40464426017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 40464426017 in words is "forty billion, four hundred sixty-four million, four hundred twenty-six thousand, seventeen".