324441664 has 28 divisors (see below), whose sum is σ = 647107164. Its totient is φ = 161391104.

The previous prime is 324441653. The next prime is 324441679. The reversal of 324441664 is 466144423.

It can be written as a sum of positive squares in 2 ways, for example, as 180633600 + 143808064 = 13440^2 + 11992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259 + ... + 25474.

Almost surely, 2^324441664 is an apocalyptic number.

It is an amenable number.

324441664 is a deficient number, since it is larger than the sum of its proper divisors (322665500).

324441664 is a wasteful number, since it uses less digits than its factorization.

324441664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25942 (or 25932 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 324441664 is about 18012.2642663270. The cubic root of 324441664 is about 687.1404896780.

The spelling of 324441664 in words is "three hundred twenty-four million, four hundred forty-one thousand, six hundred sixty-four".