650859795072 has 320 divisors, whose sum is σ = 2086336111200. Its totient is φ = 200752183296.

The previous prime is 650859795059. The next prime is 650859795077. The reversal of 650859795072 is 270597958056.

650859795072 is a `hidden beast` number, since 6 + 5 + 0 + 8 + 59 + 79 + 507 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (650859795077) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8432238 + ... + 8509074.

Almost surely, 2^650859795072 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 650859795072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043168055600).

650859795072 is an abundant number, since it is smaller than the sum of its proper divisors (1435476316128).

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

650859795072 is a wasteful number, since it uses less digits than its factorization.

650859795072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76925 (or 76904 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 63.

The spelling of 650859795072 in words is "six hundred fifty billion, eight hundred fifty-nine million, seven hundred ninety-five thousand, seventy-two".