328465642000 has 40 divisors (see below), whose sum is σ = 794229927192. Its totient is φ = 131386256000.

The previous prime is 328465641997. The next prime is 328465642019. The reversal of 328465642000 is 246564823.

It can be written as a sum of positive squares in 4 ways, for example, as 8906074384 + 319559567616 = 94372^2 + 565296^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82114411 + ... + 82118410.

Almost surely, 2^328465642000 is an apocalyptic number.

It is an amenable number.

328465642000 is an abundant number, since it is smaller than the sum of its proper divisors (465764285192).

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

328465642000 is a wasteful number, since it uses less digits than its factorization.

328465642000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164232844 (or 164232828 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 328465642000 in words is "three hundred twenty-eight billion, four hundred sixty-five million, six hundred forty-two thousand".