528009650 has 48 divisors (see below), whose sum is σ = 1124285184. Its totient is φ = 180727680.

The previous prime is 528009637. The next prime is 528009659. The reversal of 528009650 is 56900825.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 528009650.

It is not an unprimeable number, because it can be changed into a prime (528009659) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 332759 + ... + 334341.

It is an arithmetic number, because the mean of its divisors is an integer number (23422608).

Almost surely, 2^528009650 is an apocalyptic number.

528009650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

528009650 is an abundant number, since it is smaller than the sum of its proper divisors (596275534).

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

528009650 is a wasteful number, since it uses less digits than its factorization.

528009650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 528009650 is about 22978.4605663652. The cubic root of 528009650 is about 808.2529280801.

The spelling of 528009650 in words is "five hundred twenty-eight million, nine thousand, six hundred fifty".