328544880 has 160 divisors (see below), whose sum is σ = 1083787776. Its totient is φ = 82148352.

The previous prime is 328544869. The next prime is 328544921. The reversal of 328544880 is 88445823.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291999 + ... + 293121.

Almost surely, 2^328544880 is an apocalyptic number.

328544880 is a gapful number since it is divisible by the number (30) 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 328544880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541893888).

328544880 is an abundant number, since it is smaller than the sum of its proper divisors (755242896).

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

328544880 is a wasteful number, since it uses less digits than its factorization.

328544880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 328544880 is about 18125.8070165165. The cubic root of 328544880 is about 690.0251198584.

The spelling of 328544880 in words is "three hundred twenty-eight million, five hundred forty-four thousand, eight hundred eighty".