40216094993 has 2 divisors, whose sum is σ = 40216094994. Its totient is φ = 40216094992.

The previous prime is 40216094981. The next prime is 40216095041. The reversal of 40216094993 is 39949061204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22204576144 + 18011518849 = 149012^2 + 134207^2 .

It is a cyclic number.

It is not a de Polignac number, because 40216094993 - 2⁶ = 40216094929 is a prime.

It is not a weakly prime, because it can be changed into another prime (40216094923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20108047496 + 20108047497.

It is an arithmetic number, because the mean of its divisors is an integer number (20108047497).

Almost surely, 2^40216094993 is an apocalyptic number.

It is an amenable number.

40216094993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40216094993 is an equidigital number, since it uses as much as digits as its factorization.

40216094993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 40216094993 in words is "forty billion, two hundred sixteen million, ninety-four thousand, nine hundred ninety-three".