328528493568 has 880 divisors, whose sum is σ = 1155608467200. Its totient is φ = 91853291520.

The previous prime is 328528493563. The next prime is 328528493611. The reversal of 328528493568 is 865394825823.

328528493568 is a `hidden beast` number, since 3 + 2 + 8 + 5 + 28 + 49 + 3 + 568 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328528493563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 915120973 + ... + 915121331.

It is an arithmetic number, because the mean of its divisors is an integer number (1313191440).

Almost surely, 2^328528493568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328528493568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577804233600).

328528493568 is an abundant number, since it is smaller than the sum of its proper divisors (827079973632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328528493568 is a wasteful number, since it uses less digits than its factorization.

328528493568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 451 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 328528493568 in words is "three hundred twenty-eight billion, five hundred twenty-eight million, four hundred ninety-three thousand, five hundred sixty-eight".