40220220017 has 2 divisors, whose sum is σ = 40220220018. Its totient is φ = 40220220016.

The previous prime is 40220219987. The next prime is 40220220059. The reversal of 40220220017 is 71002202204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39597418081 + 622801936 = 198991^2 + 24956^2 .

It is a cyclic number.

It is not a de Polignac number, because 40220220017 - 2⁶ = 40220219953 is a prime.

It is not a weakly prime, because it can be changed into another prime (40220220067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110110008 + 20110110009.

It is an arithmetic number, because the mean of its divisors is an integer number (20110110009).

Almost surely, 2^40220220017 is an apocalyptic number.

It is an amenable number.

40220220017 is a deficient number, since it is larger than the sum of its proper divisors (1).

40220220017 is an equidigital number, since it uses as much as digits as its factorization.

40220220017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The spelling of 40220220017 in words is "forty billion, two hundred twenty million, two hundred twenty thousand, seventeen".