40220320099 has 2 divisors, whose sum is σ = 40220320100. Its totient is φ = 40220320098.

The previous prime is 40220320079. The next prime is 40220320157. The reversal of 40220320099 is 99002302204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40220320099 - 2³⁵ = 5860581731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40220320099.

It is not a weakly prime, because it can be changed into another prime (40220320079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110160049 + 20110160050.

It is an arithmetic number, because the mean of its divisors is an integer number (20110160050).

Almost surely, 2^40220320099 is an apocalyptic number.

40220320099 is a deficient number, since it is larger than the sum of its proper divisors (1).

40220320099 is an equidigital number, since it uses as much as digits as its factorization.

40220320099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 40220320099 in words is "forty billion, two hundred twenty million, three hundred twenty thousand, ninety-nine".