188242287252 has 24 divisors (see below), whose sum is σ = 439276643232. Its totient is φ = 62741052000.

The previous prime is 188242287227. The next prime is 188242287253. The reversal of 188242287252 is 252782242881.

188242287252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 188242287195 and 188242287204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188242287253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673374 + ... + 910997.

It is an arithmetic number, because the mean of its divisors is an integer number (18303193468).

Almost surely, 2^188242287252 is an apocalyptic number.

188242287252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188242287252 is an abundant number, since it is smaller than the sum of its proper divisors (251034355980).

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

188242287252 is a wasteful number, since it uses less digits than its factorization.

188242287252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594279 (or 1594277 counting only the distinct ones).

The product of its digits is 2293760, while the sum is 51.

The spelling of 188242287252 in words is "one hundred eighty-eight billion, two hundred forty-two million, two hundred eighty-seven thousand, two hundred fifty-two".