3242240665 has 8 divisors (see below), whose sum is σ = 3896243208. Its totient is φ = 2590089600.

The previous prime is 3242240653. The next prime is 3242240669. The reversal of 3242240665 is 5660422423.

It can be written as a sum of positive squares in 4 ways, for example, as 1479248521 + 1762992144 = 38461^2 + 41988^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3242240665 - 2⁵ = 3242240633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3242240665.

It is not an unprimeable number, because it can be changed into a prime (3242240669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459012 + ... + 466021.

It is an arithmetic number, because the mean of its divisors is an integer number (487030401).

Almost surely, 2^3242240665 is an apocalyptic number.

It is an amenable number.

3242240665 is a deficient number, since it is larger than the sum of its proper divisors (654002543).

3242240665 is an equidigital number, since it uses as much as digits as its factorization.

3242240665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925739.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 3242240665 is about 56940.6767170886. The cubic root of 3242240665 is about 1480.0682743339.

The spelling of 3242240665 in words is "three billion, two hundred forty-two million, two hundred forty thousand, six hundred sixty-five".