40336666787 has 2 divisors, whose sum is σ = 40336666788. Its totient is φ = 40336666786.

The previous prime is 40336666739. The next prime is 40336666823. The reversal of 40336666787 is 78766663304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40336666787 - 2¹⁶ = 40336601251 is a prime.

It is not a weakly prime, because it can be changed into another prime (40336660787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20168333393 + 20168333394.

It is an arithmetic number, because the mean of its divisors is an integer number (20168333394).

Almost surely, 2^40336666787 is an apocalyptic number.

40336666787 is a deficient number, since it is larger than the sum of its proper divisors (1).

40336666787 is an equidigital number, since it uses as much as digits as its factorization.

40336666787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 56.

The spelling of 40336666787 in words is "forty billion, three hundred thirty-six million, six hundred sixty-six thousand, seven hundred eighty-seven".