2040244139 has 2 divisors, whose sum is σ = 2040244140. Its totient is φ = 2040244138.

The previous prime is 2040244133. The next prime is 2040244147. The reversal of 2040244139 is 9314420402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040244139 - 2¹² = 2040240043 is a prime.

It is a super-2 number, since 2×2040244139² = 8325192293447702642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2040244133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020122069 + 1020122070.

It is an arithmetic number, because the mean of its divisors is an integer number (1020122070).

Almost surely, 2^2040244139 is an apocalyptic number.

2040244139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040244139 is an equidigital number, since it uses as much as digits as its factorization.

2040244139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2040244139 is about 45169.0617458455. The cubic root of 2040244139 is about 1268.3157326836.

The spelling of 2040244139 in words is "two billion, forty million, two hundred forty-four thousand, one hundred thirty-nine".