3240444440407 has 2 divisors, whose sum is σ = 3240444440408. Its totient is φ = 3240444440406.

The previous prime is 3240444440357. The next prime is 3240444440459. The reversal of 3240444440407 is 7040444440423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3240444440407 - 2³¹ = 3238296956759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3240444440407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240444440707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620222220203 + 1620222220204.

It is an arithmetic number, because the mean of its divisors is an integer number (1620222220204).

Almost surely, 2^{3240444440407} is an apocalyptic number.

3240444440407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240444440407 is an equidigital number, since it uses as much as digits as its factorization.

3240444440407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 688128, while the sum is 40.

The spelling of 3240444440407 in words is "three trillion, two hundred forty billion, four hundred forty-four million, four hundred forty thousand, four hundred seven".