650609080 has 64 divisors (see below), whose sum is σ = 1600080480. Its totient is φ = 236121600.

The previous prime is 650609053. The next prime is 650609083. The reversal of 650609080 is 80906056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650609083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289722 + ... + 291958.

Almost surely, 2^650609080 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 650609080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800040240).

650609080 is an abundant number, since it is smaller than the sum of its proper divisors (949471400).

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

650609080 is a wasteful number, since it uses less digits than its factorization.

650609080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 650609080 is about 25507.0398125694. The cubic root of 650609080 is about 866.5095895471.

The spelling of 650609080 in words is "six hundred fifty million, six hundred nine thousand, eighty".