650600000 has 84 divisors (see below), whose sum is σ = 1614185748. Its totient is φ = 260160000.

The previous prime is 650599987. The next prime is 650600059. The reversal of 650600000 is 6056.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 323424256 + 327175744 = 17984^2 + 18088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198374 + ... + 201626.

It is an arithmetic number, because the mean of its divisors is an integer number (19216497).

Almost surely, 2^650600000 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 650600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807092874).

650600000 is an abundant number, since it is smaller than the sum of its proper divisors (963585748).

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

650600000 is an frugal number, since it uses more digits than its factorization.

650600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 650600000 is about 25506.8618218706. The cubic root of 650600000 is about 866.5055584815.

Adding to 650600000 its reverse (6056), we get a palindrome (650606056).

The spelling of 650600000 in words is "six hundred fifty million, six hundred thousand".