3242440289 has 4 divisors (see below), whose sum is σ = 3537207600. Its totient is φ = 2947672980.

The previous prime is 3242440219. The next prime is 3242440301. The reversal of 3242440289 is 9820442423.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3242440289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3242440219) 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, 147383639 + ... + 147383660.

It is an arithmetic number, because the mean of its divisors is an integer number (884301900).

Almost surely, 2^3242440289 is an apocalyptic number.

It is an amenable number.

3242440289 is a deficient number, since it is larger than the sum of its proper divisors (294767311).

3242440289 is a wasteful number, since it uses less digits than its factorization.

3242440289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294767310.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 3242440289 is about 56942.4296021868. The cubic root of 3242440289 is about 1480.0986495298.

The spelling of 3242440289 in words is "three billion, two hundred forty-two million, four hundred forty thousand, two hundred eighty-nine".