328218480 has 100 divisors (see below), whose sum is σ = 1139973912. Its totient is φ = 87523200.

The previous prime is 328218431. The next prime is 328218481. The reversal of 328218480 is 84812823.

It is a happy number.

It is a super-2 number, since 2×328218480² = 215454741227020800, which contains 22 as substring.

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 (328218481) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 18846 + ... + 31805.

Almost surely, 2^328218480 is an apocalyptic number.

328218480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328218480 is an abundant number, since it is smaller than the sum of its proper divisors (811755432).

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

328218480 is a wasteful number, since it uses less digits than its factorization.

328218480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50676 (or 50661 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 328218480 is about 18116.8010421266. The cubic root of 328218480 is about 689.7965373637.

The spelling of 328218480 in words is "three hundred twenty-eight million, two hundred eighteen thousand, four hundred eighty".