328560642952 has 8 divisors (see below), whose sum is σ = 616051205550. Its totient is φ = 164280321472.

The previous prime is 328560642853. The next prime is 328560642953. The reversal of 328560642952 is 259246065823.

It can be written as a sum of positive squares in only one way, i.e., 238384156516 + 90176486436 = 488246^2 + 300294^2 .

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 328560642952.

It is not an unprimeable number, because it can be changed into a prime (328560642953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20535040177 + ... + 20535040192.

Almost surely, 2^328560642952 is an apocalyptic number.

It is an amenable number.

328560642952 is a deficient number, since it is larger than the sum of its proper divisors (287490562598).

328560642952 is a wasteful number, since it uses less digits than its factorization.

328560642952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41070080375 (or 41070080371 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 328560642952 in words is "three hundred twenty-eight billion, five hundred sixty million, six hundred forty-two thousand, nine hundred fifty-two".