528488940 has 96 divisors (see below), whose sum is σ = 1764725760. Its totient is φ = 115543296.

The previous prime is 528488927. The next prime is 528488951. The reversal of 528488940 is 49884825.

It is a self number, because there is not a number n which added to its sum of digits gives 528488940.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17695 + ... + 37014.

It is an arithmetic number, because the mean of its divisors is an integer number (18382560).

Almost surely, 2^528488940 is an apocalyptic number.

It is an amenable number.

528488940 is an abundant number, since it is smaller than the sum of its proper divisors (1236236820).

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

528488940 is a wasteful number, since it uses less digits than its factorization.

528488940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54751 (or 54749 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 528488940 is about 22988.8873153965. The cubic root of 528488940 is about 808.4974124947.

The spelling of 528488940 in words is "five hundred twenty-eight million, four hundred eighty-eight thousand, nine hundred forty".