650450766 has 128 divisors (see below), whose sum is σ = 1589575680. Its totient is φ = 173601792.

The previous prime is 650450761. The next prime is 650450783. The reversal of 650450766 is 667054056.

650450766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650450761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6705630 + ... + 6705726.

It is an arithmetic number, because the mean of its divisors is an integer number (12418560).

Almost surely, 2^650450766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650450766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794787840).

650450766 is an abundant number, since it is smaller than the sum of its proper divisors (939124914).

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

650450766 is a wasteful number, since it uses less digits than its factorization.

650450766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 650450766 is about 25503.9362844248. The cubic root of 650450766 is about 866.4393006790.

The spelling of 650450766 in words is "six hundred fifty million, four hundred fifty thousand, seven hundred sixty-six".