528517680 has 80 divisors (see below), whose sum is σ = 1724651520. Its totient is φ = 133519104.

The previous prime is 528517637. The next prime is 528517697. The reversal of 528517680 is 86715825.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53392 + ... + 62511.

It is an arithmetic number, because the mean of its divisors is an integer number (21558144).

Almost surely, 2^528517680 is an apocalyptic number.

It is an amenable number.

528517680 is an abundant number, since it is smaller than the sum of its proper divisors (1196133840).

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

528517680 is a wasteful number, since it uses less digits than its factorization.

528517680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115938 (or 115932 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 528517680 is about 22989.5123915232. The cubic root of 528517680 is about 808.5120679855.

The spelling of 528517680 in words is "five hundred twenty-eight million, five hundred seventeen thousand, six hundred eighty".