40632466423609 has 2 divisors, whose sum is σ = 40632466423610. Its totient is φ = 40632466423608.

The previous prime is 40632466423519. The next prime is 40632466423649. The reversal of 40632466423609 is 90632466423604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30743032729600 + 9889433694009 = 5544640^2 + 3144747^2 .

It is a cyclic number.

It is not a de Polignac number, because 40632466423609 - 2³³ = 40623876489017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40632466423609.

It is not a weakly prime, because it can be changed into another prime (40632466423649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20316233211804 + 20316233211805.

It is an arithmetic number, because the mean of its divisors is an integer number (20316233211805).

Almost surely, 2^{40632466423609} is an apocalyptic number.

It is an amenable number.

40632466423609 is a deficient number, since it is larger than the sum of its proper divisors (1).

40632466423609 is an equidigital number, since it uses as much as digits as its factorization.

40632466423609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 55.

The spelling of 40632466423609 in words is "forty trillion, six hundred thirty-two billion, four hundred sixty-six million, four hundred twenty-three thousand, six hundred nine".