4342240321 has 8 divisors (see below), whose sum is σ = 4377551360. Its totient is φ = 4306987728.

The previous prime is 4342240307. The next prime is 4342240327. The reversal of 4342240321 is 1230422434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4342240321 - 2⁵ = 4342240289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4342240327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141280 + ... + 169246.

It is an arithmetic number, because the mean of its divisors is an integer number (547193920).

Almost surely, 2^4342240321 is an apocalyptic number.

It is an amenable number.

4342240321 is a deficient number, since it is larger than the sum of its proper divisors (35311039).

4342240321 is a wasteful number, since it uses less digits than its factorization.

4342240321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29223.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4342240321 is about 65895.6775593058. The cubic root of 4342240321 is about 1631.4406725422.

Adding to 4342240321 its reverse (1230422434), we get a palindrome (5572662755).

The spelling of 4342240321 in words is "four billion, three hundred forty-two million, two hundred forty thousand, three hundred twenty-one".