650224680 has 128 divisors (see below), whose sum is σ = 2289703680. Its totient is φ = 144599040.

The previous prime is 650224667. The next prime is 650224703. The reversal of 650224680 is 86422056.

650224680 = 1782² + 1783² + ... + 1966².

It is a super-2 number, since 2×650224680² = 845584268962204800, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 20620 + ... + 41540.

It is an arithmetic number, because the mean of its divisors is an integer number (17888310).

Almost surely, 2^650224680 is an apocalyptic number.

650224680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650224680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144851840).

650224680 is an abundant number, since it is smaller than the sum of its proper divisors (1639479000).

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

650224680 is a wasteful number, since it uses less digits than its factorization.

650224680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20979 (or 20975 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 650224680 is about 25499.5035245787. The cubic root of 650224680 is about 866.3389023571.

The spelling of 650224680 in words is "six hundred fifty million, two hundred twenty-four thousand, six hundred eighty".