650345680 has 40 divisors (see below), whose sum is σ = 1591639200. Its totient is φ = 246446208.

The previous prime is 650345651. The next prime is 650345687. The reversal of 650345680 is 86543056.

650345680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650345687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212410 + ... + 215449.

It is an arithmetic number, because the mean of its divisors is an integer number (39790980).

Almost surely, 2^650345680 is an apocalyptic number.

It is an amenable number.

650345680 is an abundant number, since it is smaller than the sum of its proper divisors (941293520).

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

650345680 is a wasteful number, since it uses less digits than its factorization.

650345680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427891 (or 427885 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 650345680 is about 25501.8760094233. The cubic root of 650345680 is about 866.3926378881.

The spelling of 650345680 in words is "six hundred fifty million, three hundred forty-five thousand, six hundred eighty".