3240320909 has 4 divisors (see below), whose sum is σ = 3703223904. Its totient is φ = 2777417916.

The previous prime is 3240320777. The next prime is 3240320927. The reversal of 3240320909 is 9090230423.

3240320909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9090230423 = 44101 ⋅206123.

It is not a de Polignac number, because 3240320909 - 2²⁴ = 3223543693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240320939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231451487 + ... + 231451500.

It is an arithmetic number, because the mean of its divisors is an integer number (925805976).

Almost surely, 2^3240320909 is an apocalyptic number.

It is an amenable number.

3240320909 is a deficient number, since it is larger than the sum of its proper divisors (462902995).

3240320909 is an equidigital number, since it uses as much as digits as its factorization.

3240320909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462902994.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3240320909 is about 56923.8167114609. The cubic root of 3240320909 is about 1479.7760966676.

The spelling of 3240320909 in words is "three billion, two hundred forty million, three hundred twenty thousand, nine hundred nine".