18842527072 has 48 divisors (see below), whose sum is σ = 38201142672. Its totient is φ = 9143447040.

The previous prime is 18842527013. The next prime is 18842527073. The reversal of 18842527072 is 27072524881.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18842527073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172422 + ... + 259642.

It is an arithmetic number, because the mean of its divisors is an integer number (795857139).

Almost surely, 2^18842527072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18842527072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19100571336).

18842527072 is an abundant number, since it is smaller than the sum of its proper divisors (19358615600).

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

18842527072 is a wasteful number, since it uses less digits than its factorization.

18842527072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87431 (or 87423 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 18842527072 in words is "eighteen billion, eight hundred forty-two million, five hundred twenty-seven thousand, seventy-two".