328209231600 has 90 divisors (see below), whose sum is σ = 1138977215376. Its totient is φ = 87522460800.

The previous prime is 328209231599. The next prime is 328209231607. The reversal of 328209231600 is 6132902823.

328209231600 is a `hidden beast` number, since 3 + 2 + 8 + 20 + 9 + 23 + 1 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328209231607) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45581016 + ... + 45588215.

Almost surely, 2^328209231600 is an apocalyptic number.

328209231600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328209231600 is an abundant number, since it is smaller than the sum of its proper divisors (810767983776).

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

328209231600 is a wasteful number, since it uses less digits than its factorization.

328209231600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91169255 (or 91169241 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 328209231600 in words is "three hundred twenty-eight billion, two hundred nine million, two hundred thirty-one thousand, six hundred".