650065120 has 48 divisors (see below), whose sum is σ = 1544332608. Its totient is φ = 258577920.

The previous prime is 650065111. The next prime is 650065139. The reversal of 650065120 is 21560056.

It is a super-2 number, since 2×650065120² = 845169320481228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17737 + ... + 40183.

It is an arithmetic number, because the mean of its divisors is an integer number (32173596).

Almost surely, 2^650065120 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 650065120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772166304).

650065120 is an abundant number, since it is smaller than the sum of its proper divisors (894267488).

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

650065120 is a wasteful number, since it uses less digits than its factorization.

650065120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22643 (or 22635 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 650065120 is about 25496.3746442509. The cubic root of 650065120 is about 866.2680323188.

The spelling of 650065120 in words is "six hundred fifty million, sixty-five thousand, one hundred twenty".