2040444019 has 2 divisors, whose sum is σ = 2040444020. Its totient is φ = 2040444018.

The previous prime is 2040444017. The next prime is 2040444073. The reversal of 2040444019 is 9104440402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040444019 - 2¹ = 2040444017 is a prime.

It is a super-2 number, since 2×2040444019² = 8326823589345744722, which contains 22 as substring.

Together with 2040444017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2040444013) 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, 1020222009 + 1020222010.

It is an arithmetic number, because the mean of its divisors is an integer number (1020222010).

Almost surely, 2^2040444019 is an apocalyptic number.

2040444019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040444019 is an equidigital number, since it uses as much as digits as its factorization.

2040444019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2040444019 is about 45171.2742680567. The cubic root of 2040444019 is about 1268.3571497319.

The spelling of 2040444019 in words is "two billion, forty million, four hundred forty-four thousand, nineteen".