650330028 has 144 divisors (see below), whose sum is σ = 1774386432. Its totient is φ = 200448000.

The previous prime is 650330027. The next prime is 650330033. The reversal of 650330028 is 820033056.

650330028 is a `hidden beast` number, since 650 + 3 + 3 + 0 + 0 + 2 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 650329983 and 650330010.

It is not an unprimeable number, because it can be changed into a prime (650330027) 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 47 ways as a sum of consecutive naturals, for example, 2791000 + ... + 2791232.

It is an arithmetic number, because the mean of its divisors is an integer number (12322128).

Almost surely, 2^650330028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650330028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887193216).

650330028 is an abundant number, since it is smaller than the sum of its proper divisors (1124056404).

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

650330028 is a wasteful number, since it uses less digits than its factorization.

650330028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 650330028 is about 25501.5691281929. The cubic root of 650330028 is about 866.3856872839.

The spelling of 650330028 in words is "six hundred fifty million, three hundred thirty thousand, twenty-eight".