650865020832 has 1152 divisors, whose sum is σ = 2340935251200. Its totient is φ = 169221685248.

The previous prime is 650865020791. The next prime is 650865020867. The reversal of 650865020832 is 238020568056.

650865020832 is a `hidden beast` number, since 6 + 508 + 65 + 0 + 2 + 0 + 83 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2349693078 + ... + 2349693354.

It is an arithmetic number, because the mean of its divisors is an integer number (2032061850).

Almost surely, 2^650865020832 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 650865020832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1170467625600).

650865020832 is an abundant number, since it is smaller than the sum of its proper divisors (1690070230368).

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

650865020832 is a wasteful number, since it uses less digits than its factorization.

650865020832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

Adding to 650865020832 its reverse (238020568056), we get a palindrome (888885588888).

The spelling of 650865020832 in words is "six hundred fifty billion, eight hundred sixty-five million, twenty thousand, eight hundred thirty-two".