652720841320 has 64 divisors (see below), whose sum is σ = 1513138793040. Its totient is φ = 253247846400.

The previous prime is 652720841317. The next prime is 652720841347. The reversal of 652720841320 is 23148027256.

652720841320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 263002814244 + 389718027076 = 512838^2 + 624274^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866571 + ... + 1434010.

Almost surely, 2^652720841320 is an apocalyptic number.

It is an amenable number.

652720841320 is an abundant number, since it is smaller than the sum of its proper divisors (860417951720).

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

652720841320 is a wasteful number, since it uses less digits than its factorization.

652720841320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300806 (or 2300802 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 652720841320 its reverse (23148027256), we get a palindrome (675868868576).

The spelling of 652720841320 in words is "six hundred fifty-two billion, seven hundred twenty million, eight hundred forty-one thousand, three hundred twenty".