528328280 has 16 divisors (see below), whose sum is σ = 1188738720. Its totient is φ = 211331296.

The previous prime is 528328279. The next prime is 528328289. The reversal of 528328280 is 82823825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528328289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6604064 + ... + 6604143.

It is an arithmetic number, because the mean of its divisors is an integer number (74296170).

Almost surely, 2^528328280 is an apocalyptic number.

It is an amenable number.

528328280 is an abundant number, since it is smaller than the sum of its proper divisors (660410440).

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

528328280 is a wasteful number, since it uses less digits than its factorization.

528328280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13208218 (or 13208214 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 528328280 is about 22985.3927527898. The cubic root of 528328280 is about 808.4154767788.

The spelling of 528328280 in words is "five hundred twenty-eight million, three hundred twenty-eight thousand, two hundred eighty".