4021440244039 has 2 divisors, whose sum is σ = 4021440244040. Its totient is φ = 4021440244038.

The previous prime is 4021440243979. The next prime is 4021440244043. The reversal of 4021440244039 is 9304420441204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021440244039 - 2²⁵ = 4021406689607 is a prime.

It is a super-3 number, since 3×4021440244039³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021440243989 and 4021440244007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021440244139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010720122019 + 2010720122020.

It is an arithmetic number, because the mean of its divisors is an integer number (2010720122020).

Almost surely, 2^{4021440244039} is an apocalyptic number.

4021440244039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021440244039 is an equidigital number, since it uses as much as digits as its factorization.

4021440244039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 4021440244039 in words is "four trillion, twenty-one billion, four hundred forty million, two hundred forty-four thousand, thirty-nine".