652720841322 has 128 divisors (see below), whose sum is σ = 1543151554560. Its totient is φ = 181972707840.

The previous prime is 652720841317. The next prime is 652720841347. The reversal of 652720841322 is 223148027256.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11549598 + ... + 11605974.

It is an arithmetic number, because the mean of its divisors is an integer number (12055871520).

Almost surely, 2^652720841322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652720841322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771575777280).

652720841322 is an abundant number, since it is smaller than the sum of its proper divisors (890430713238).

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

652720841322 is a wasteful number, since it uses less digits than its factorization.

652720841322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56708.

The product of its (nonzero) digits is 322560, while the sum is 42.

Adding to 652720841322 its reverse (223148027256), we get a palindrome (875868868578).

The spelling of 652720841322 in words is "six hundred fifty-two billion, seven hundred twenty million, eight hundred forty-one thousand, three hundred twenty-two".