42858565252 has 24 divisors (see below), whose sum is σ = 75167381016. Its totient is φ = 21382207488.

The previous prime is 42858565231. The next prime is 42858565349. The reversal of 42858565252 is 25256585824.

42858565252 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 4 ways, for example, as 38116314756 + 4742250496 = 195234^2 + 68864^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42858565252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9536718 + ... + 9541210.

It is an arithmetic number, because the mean of its divisors is an integer number (3131974209).

Almost surely, 2^42858565252 is an apocalyptic number.

It is an amenable number.

42858565252 is a deficient number, since it is larger than the sum of its proper divisors (32308815764).

42858565252 is a wasteful number, since it uses less digits than its factorization.

42858565252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207 (or 9205 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 52.

The spelling of 42858565252 in words is "forty-two billion, eight hundred fifty-eight million, five hundred sixty-five thousand, two hundred fifty-two".