40217764583 has 2 divisors, whose sum is σ = 40217764584. Its totient is φ = 40217764582.

The previous prime is 40217764549. The next prime is 40217764651. The reversal of 40217764583 is 38546771204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40217764583 - 2⁶ = 40217764519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40217764183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20108882291 + 20108882292.

It is an arithmetic number, because the mean of its divisors is an integer number (20108882292).

Almost surely, 2^40217764583 is an apocalyptic number.

40217764583 is a deficient number, since it is larger than the sum of its proper divisors (1).

40217764583 is an equidigital number, since it uses as much as digits as its factorization.

40217764583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 40217764583 in words is "forty billion, two hundred seventeen million, seven hundred sixty-four thousand, five hundred eighty-three".