188568340419442 has 8 divisors (see below), whose sum is σ = 282919394659500. Its totient is φ = 94261875532944.

The previous prime is 188568340419439. The next prime is 188568340419449. The reversal of 188568340419442 is 244914043865881.

188568340419442 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 178711685519481 + 9856654899961 = 13368309^2 + 3139531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (188568340419449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11147327817 + ... + 11147344732.

Almost surely, 2^{188568340419442} is an apocalyptic number.

188568340419442 is a deficient number, since it is larger than the sum of its proper divisors (94351054240058).

188568340419442 is a wasteful number, since it uses less digits than its factorization.

188568340419442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22294676780.

The product of its (nonzero) digits is 212336640, while the sum is 67.

The spelling of 188568340419442 in words is "one hundred eighty-eight trillion, five hundred sixty-eight billion, three hundred forty million, four hundred nineteen thousand, four hundred forty-two".