40632641659 has 2 divisors, whose sum is σ = 40632641660. Its totient is φ = 40632641658.

The previous prime is 40632641603. The next prime is 40632641663. The reversal of 40632641659 is 95614623604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40632641659 - 2¹³ = 40632633467 is a prime.

It is not a weakly prime, because it can be changed into another prime (40632648659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20316320829 + 20316320830.

It is an arithmetic number, because the mean of its divisors is an integer number (20316320830).

Almost surely, 2^40632641659 is an apocalyptic number.

40632641659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40632641659 is an equidigital number, since it uses as much as digits as its factorization.

40632641659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 40632641659 in words is "forty billion, six hundred thirty-two million, six hundred forty-one thousand, six hundred fifty-nine".