652381238322 has 162 divisors, whose sum is σ = 1615869339357. Its totient is φ = 197382873600.

The previous prime is 652381238321. The next prime is 652381238329. The reversal of 652381238322 is 223832183256.

652381238322 is a `hidden beast` number, since 6 + 5 + 2 + 381 + 238 + 32 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 519580030761 + 132801207561 = 720819^2 + 364419^2 .

It is a tau number, because it is divible by the number of its divisors (162).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=571131.

It is a super-2 number, since 2×652381238322² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (652381238321) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1017755122 + ... + 1017755762.

Almost surely, 2^652381238322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652381238322

652381238322 is an abundant number, since it is smaller than the sum of its proper divisors (963488101035).

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

652381238322 is an frugal number, since it uses more digits than its factorization.

652381238322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 657 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 652381238322 in words is "six hundred fifty-two billion, three hundred eighty-one million, two hundred thirty-eight thousand, three hundred twenty-two".