2040443239 has 2 divisors, whose sum is σ = 2040443240. Its totient is φ = 2040443238.

The previous prime is 2040443191. The next prime is 2040443261. The reversal of 2040443239 is 9323440402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040443239 - 2⁹ = 2040442727 is a prime.

It is a super-2 number, since 2×2040443239² = 8326817223161622242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2040443239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040443539) 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, 1020221619 + 1020221620.

It is an arithmetic number, because the mean of its divisors is an integer number (1020221620).

Almost surely, 2^2040443239 is an apocalyptic number.

2040443239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040443239 is an equidigital number, since it uses as much as digits as its factorization.

2040443239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2040443239 is about 45171.2656342503. The cubic root of 2040443239 is about 1268.3569881137.

The spelling of 2040443239 in words is "two billion, forty million, four hundred forty-three thousand, two hundred thirty-nine".