324440442434221 has 8 divisors (see below), whose sum is σ = 335871076555800. Its totient is φ = 313026010489920.

The previous prime is 324440442434203. The next prime is 324440442434233. The reversal of 324440442434221 is 122434244044423.

It can be written as a sum of positive squares in 4 ways, for example, as 12247270152100 + 312193172282121 = 3499610^2 + 17668989^2 .

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 324440442434221 - 2⁷ = 324440442434093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324440442434261) 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, 4050503566 + ... + 4050583663.

It is an arithmetic number, because the mean of its divisors is an integer number (41983884569475).

Almost surely, 2^{324440442434221} is an apocalyptic number.

It is an amenable number.

324440442434221 is a deficient number, since it is larger than the sum of its proper divisors (11430634121579).

324440442434221 is a wasteful number, since it uses less digits than its factorization.

324440442434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101088639.

The product of its (nonzero) digits is 2359296, while the sum is 43.

Adding to 324440442434221 its reverse (122434244044423), we get a palindrome (446874686478644).

The spelling of 324440442434221 in words is "three hundred twenty-four trillion, four hundred forty billion, four hundred forty-two million, four hundred thirty-four thousand, two hundred twenty-one".