40330864309 has 2 divisors, whose sum is σ = 40330864310. Its totient is φ = 40330864308.

The previous prime is 40330864271. The next prime is 40330864351. The reversal of 40330864309 is 90346803304.

40330864309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37218898084 + 3111966225 = 192922^2 + 55785^2 .

It is a cyclic number.

It is not a de Polignac number, because 40330864309 - 2⁷ = 40330864181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40330868309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20165432154 + 20165432155.

It is an arithmetic number, because the mean of its divisors is an integer number (20165432155).

Almost surely, 2^40330864309 is an apocalyptic number.

It is an amenable number.

40330864309 is a deficient number, since it is larger than the sum of its proper divisors (1).

40330864309 is an equidigital number, since it uses as much as digits as its factorization.

40330864309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 40330864309 in words is "forty billion, three hundred thirty million, eight hundred sixty-four thousand, three hundred nine".