328019231232 has 640 divisors, whose sum is σ = 1281826529280. Its totient is φ = 80183623680.

The previous prime is 328019231227. The next prime is 328019231327. The reversal of 328019231232 is 232132910823.

It is a happy number.

328019231232 is a `hidden beast` number, since 328 + 0 + 19 + 2 + 312 + 3 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18086553 + ... + 18104679.

It is an arithmetic number, because the mean of its divisors is an integer number (2002853952).

Almost surely, 2^328019231232 is an apocalyptic number.

328019231232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328019231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640913264640).

328019231232 is an abundant number, since it is smaller than the sum of its proper divisors (953807298048).

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

328019231232 is a wasteful number, since it uses less digits than its factorization.

328019231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18189 (or 18167 counting only the distinct ones).

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

The spelling of 328019231232 in words is "three hundred twenty-eight billion, nineteen million, two hundred thirty-one thousand, two hundred thirty-two".