42521175188 has 12 divisors (see below), whose sum is σ = 74439105300. Its totient is φ = 21252859392.

The previous prime is 42521175167. The next prime is 42521175199. The reversal of 42521175188 is 88157112524.

42521175188 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 2 ways, for example, as 36623242384 + 5897932804 = 191372^2 + 76798^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919663 + ... + 1941686.

It is an arithmetic number, because the mean of its divisors is an integer number (6203258775).

Almost surely, 2^42521175188 is an apocalyptic number.

It is an amenable number.

42521175188 is a deficient number, since it is larger than the sum of its proper divisors (31917930112).

42521175188 is a wasteful number, since it uses less digits than its factorization.

42521175188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864106 (or 3864104 counting only the distinct ones).

The product of its digits is 179200, while the sum is 44.

The spelling of 42521175188 in words is "forty-two billion, five hundred twenty-one million, one hundred seventy-five thousand, one hundred eighty-eight".