320404041439 has 2 divisors, whose sum is σ = 320404041440. Its totient is φ = 320404041438.

The previous prime is 320404041323. The next prime is 320404041443. The reversal of 320404041439 is 934140404023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320404041439 - 2⁷ = 320404041311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320404041449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160202020719 + 160202020720.

It is an arithmetic number, because the mean of its divisors is an integer number (160202020720).

Almost surely, 2^320404041439 is an apocalyptic number.

320404041439 is a deficient number, since it is larger than the sum of its proper divisors (1).

320404041439 is an equidigital number, since it uses as much as digits as its factorization.

320404041439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 320404041439 in words is "three hundred twenty billion, four hundred four million, forty-one thousand, four hundred thirty-nine".