328549955328 has 360 divisors, whose sum is σ = 1178568110720. Its totient is φ = 88930068480.

The previous prime is 328549955317. The next prime is 328549955329. The reversal of 328549955328 is 823559945823.

328549955328 is a `hidden beast` number, since 3 + 2 + 8 + 5 + 4 + 9 + 95 + 532 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328549955329) 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 39 ways as a sum of consecutive naturals, for example, 2698323 + ... + 2817453.

Almost surely, 2^328549955328 is an apocalyptic number.

328549955328 is a gapful number since it is divisible by the number (38) 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 328549955328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589284055360).

328549955328 is an abundant number, since it is smaller than the sum of its proper divisors (850018155392).

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

328549955328 is a wasteful number, since it uses less digits than its factorization.

328549955328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119185 (or 119162 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 63.

The spelling of 328549955328 in words is "three hundred twenty-eight billion, five hundred forty-nine million, nine hundred fifty-five thousand, three hundred twenty-eight".