652218320 has 120 divisors (see below), whose sum is σ = 1729130400. Its totient is φ = 228054528.

The previous prime is 652218319. The next prime is 652218353. The reversal of 652218320 is 23812256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255611 + ... + 258149.

It is an arithmetic number, because the mean of its divisors is an integer number (14409420).

Almost surely, 2^652218320 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 652218320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864565200).

652218320 is an abundant number, since it is smaller than the sum of its proper divisors (1076912080).

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

652218320 is a wasteful number, since it uses less digits than its factorization.

652218320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 652218320 is about 25538.5653473330. The cubic root of 652218320 is about 867.2234200385.

It can be divided in two parts, 6522 and 18320, that added together give a palindrome (24842).

The spelling of 652218320 in words is "six hundred fifty-two million, two hundred eighteen thousand, three hundred twenty".