2040444239 has 2 divisors, whose sum is σ = 2040444240. Its totient is φ = 2040444238.

The previous prime is 2040444223. The next prime is 2040444247. The reversal of 2040444239 is 9324440402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040444239 - 2⁴ = 2040444223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040443239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020222119 + 1020222120.

It is an arithmetic number, because the mean of its divisors is an integer number (1020222120).

Almost surely, 2^2040444239 is an apocalyptic number.

2040444239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040444239 is an equidigital number, since it uses as much as digits as its factorization.

2040444239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2040444239 is about 45171.2767032326. The cubic root of 2040444239 is about 1268.3571953165.

The spelling of 2040444239 in words is "two billion, forty million, four hundred forty-four thousand, two hundred thirty-nine".