528880833840 has 80 divisors (see below), whose sum is σ = 1725821683200. Its totient is φ = 133611998976.

The previous prime is 528880833797. The next prime is 528880833881. The reversal of 528880833840 is 48338088825.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (57).

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 15 ways as a sum of consecutive naturals, for example, 57986760 + ... + 57995879.

It is an arithmetic number, because the mean of its divisors is an integer number (21572771040).

Almost surely, 2^528880833840 is an apocalyptic number.

It is an amenable number.

528880833840 is an abundant number, since it is smaller than the sum of its proper divisors (1196940849360).

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

528880833840 is a wasteful number, since it uses less digits than its factorization.

528880833840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115982674 (or 115982668 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 57.

The spelling of 528880833840 in words is "five hundred twenty-eight billion, eight hundred eighty million, eight hundred thirty-three thousand, eight hundred forty".