4040404020239 has 2 divisors, whose sum is σ = 4040404020240. Its totient is φ = 4040404020238.

The previous prime is 4040404020199. The next prime is 4040404020251. The reversal of 4040404020239 is 9320204040404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4040404020239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040404029239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020202010119 + 2020202010120.

It is an arithmetic number, because the mean of its divisors is an integer number (2020202010120).

Almost surely, 2^{4040404020239} is an apocalyptic number.

4040404020239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040404020239 is an equidigital number, since it uses as much as digits as its factorization.

4040404020239 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 4040404020239 in words is "four trillion, forty billion, four hundred four million, twenty thousand, two hundred thirty-nine".