4120440439 has 2 divisors, whose sum is σ = 4120440440. Its totient is φ = 4120440438.

The previous prime is 4120440431. The next prime is 4120440473. The reversal of 4120440439 is 9340440214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4120440439 - 2³ = 4120440431 is a prime.

It is a super-2 number, since 2×4120440439² = 33956058822693025442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4120440439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4120440431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060220219 + 2060220220.

It is an arithmetic number, because the mean of its divisors is an integer number (2060220220).

Almost surely, 2^4120440439 is an apocalyptic number.

4120440439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120440439 is an equidigital number, since it uses as much as digits as its factorization.

4120440439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4120440439 is about 64190.6569447610. The cubic root of 4120440439 is about 1603.1760401372.

The spelling of 4120440439 in words is "four billion, one hundred twenty million, four hundred forty thousand, four hundred thirty-nine".