40635000404473 has 2 divisors, whose sum is σ = 40635000404474. Its totient is φ = 40635000404472.

The previous prime is 40635000404443. The next prime is 40635000404527. The reversal of 40635000404473 is 37440400053604.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35494999541824 + 5140000862649 = 5957768^2 + 2267157^2 .

It is a cyclic number.

It is not a de Polignac number, because 40635000404473 - 2³⁷ = 40497561451001 is a prime.

It is not a weakly prime, because it can be changed into another prime (40635000404443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20317500202236 + 20317500202237.

It is an arithmetic number, because the mean of its divisors is an integer number (20317500202237).

Almost surely, 2^{40635000404473} is an apocalyptic number.

It is an amenable number.

40635000404473 is a deficient number, since it is larger than the sum of its proper divisors (1).

40635000404473 is an equidigital number, since it uses as much as digits as its factorization.

40635000404473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 40.

The spelling of 40635000404473 in words is "forty trillion, six hundred thirty-five billion, four hundred four thousand, four hundred seventy-three".