652409444052 has 54 divisors (see below), whose sum is σ = 1654567277454. Its totient is φ = 216755118720.

The previous prime is 652409444051. The next prime is 652409444053. The reversal of 652409444052 is 250444904256.

It is a happy number.

652409444052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (652409444051) and next prime (652409444053).

It can be written as a sum of positive squares in 3 ways, for example, as 15806524176 + 636602919876 = 125724^2 + 797874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 652409443989 and 652409444007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652409444051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86282352 + ... + 86289912.

Almost surely, 2^652409444052 is an apocalyptic number.

It is an amenable number.

652409444052 is an abundant number, since it is smaller than the sum of its proper divisors (1002157833402).

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

652409444052 is an equidigital number, since it uses as much as digits as its factorization.

652409444052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15449 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 652409444052 in words is "six hundred fifty-two billion, four hundred nine million, four hundred forty-four thousand, fifty-two".