328989002544 has 120 divisors (see below), whose sum is σ = 958913281872. Its totient is φ = 109192043520.

The previous prime is 328989002519. The next prime is 328989002579. The reversal of 328989002544 is 445200989823.

328989002544 is a `hidden beast` number, since 3 + 2 + 8 + 9 + 8 + 90 + 0 + 2 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 23 ways as a sum of consecutive naturals, for example, 724324 + ... + 1087484.

Almost surely, 2^328989002544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328989002544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479456640936).

328989002544 is an abundant number, since it is smaller than the sum of its proper divisors (629924279328).

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

328989002544 is a wasteful number, since it uses less digits than its factorization.

328989002544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363417 (or 363399 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 328989002544 in words is "three hundred twenty-eight billion, nine hundred eighty-nine million, two thousand, five hundred forty-four".