528648780 has 96 divisors (see below), whose sum is σ = 1699810560. Its totient is φ = 121409280.

The previous prime is 528648763. The next prime is 528648817. The reversal of 528648780 is 87846825.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8539 + ... + 33618.

It is an arithmetic number, because the mean of its divisors is an integer number (17706360).

Almost surely, 2^528648780 is an apocalyptic number.

It is an amenable number.

528648780 is an abundant number, since it is smaller than the sum of its proper divisors (1171161780).

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

528648780 is a wasteful number, since it uses less digits than its factorization.

528648780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42199 (or 42197 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 528648780 is about 22992.3635148716. The cubic root of 528648780 is about 808.5789135381.

The spelling of 528648780 in words is "five hundred twenty-eight million, six hundred forty-eight thousand, seven hundred eighty".