652652442 has 48 divisors (see below), whose sum is σ = 1528505160. Its totient is φ = 200071296.

The previous prime is 652652411. The next prime is 652652447. The reversal of 652652442 is 244256256.

It can be written as a sum of positive squares in 4 ways, for example, as 255008961 + 397643481 = 15969^2 + 19941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 652652397 and 652652406.

It is not an unprimeable number, because it can be changed into a prime (652652447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59784 + ... + 69852.

Almost surely, 2^652652442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652652442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764252580).

652652442 is an abundant number, since it is smaller than the sum of its proper divisors (875852718).

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

652652442 is a wasteful number, since it uses less digits than its factorization.

652652442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367 (or 10364 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 652652442 is about 25547.0632754530. The cubic root of 652652442 is about 867.4157877653.

The spelling of 652652442 in words is "six hundred fifty-two million, six hundred fifty-two thousand, four hundred forty-two".