328325680 has 40 divisors (see below), whose sum is σ = 764125200. Its totient is φ = 131198208.

The previous prime is 328325651. The next prime is 328325687. The reversal of 328325680 is 86523823.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (328325687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132291 + ... + 134749.

It is an arithmetic number, because the mean of its divisors is an integer number (19103130).

Almost surely, 2^328325680 is an apocalyptic number.

It is an amenable number.

328325680 is an abundant number, since it is smaller than the sum of its proper divisors (435799520).

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

328325680 is a wasteful number, since it uses less digits than its factorization.

328325680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141 (or 4135 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 328325680 is about 18119.7593803008. The cubic root of 328325680 is about 689.8716277320.

The spelling of 328325680 in words is "three hundred twenty-eight million, three hundred twenty-five thousand, six hundred eighty".