324142664 has 8 divisors (see below), whose sum is σ = 607767510. Its totient is φ = 162071328.

The previous prime is 324142649. The next prime is 324142667. The reversal of 324142664 is 466241423.

It can be written as a sum of positive squares in only one way, i.e., 238949764 + 85192900 = 15458^2 + 9230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 324142664.

It is not an unprimeable number, because it can be changed into a prime (324142667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20258909 + ... + 20258924.

Almost surely, 2^324142664 is an apocalyptic number.

It is an amenable number.

324142664 is a deficient number, since it is larger than the sum of its proper divisors (283624846).

324142664 is a wasteful number, since it uses less digits than its factorization.

324142664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40517839 (or 40517835 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 324142664 is about 18003.9624527491. The cubic root of 324142664 is about 686.9293390808.

The spelling of 324142664 in words is "three hundred twenty-four million, one hundred forty-two thousand, six hundred sixty-four".