188707875094242 has 128 divisors (see below), whose sum is σ = 497378407219200. Its totient is φ = 51889956955200.

The previous prime is 188707875094241. The next prime is 188707875094363. The reversal of 188707875094242 is 242490578707881.

188707875094242 is a `hidden beast` number, since 1 + 8 + 8 + 7 + 0 + 78 + 7 + 509 + 4 + 2 + 42 = 666.

It is a super-2 number, since 2×188707875094242² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (188707875094241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24267234 + ... + 31085597.

It is an arithmetic number, because the mean of its divisors is an integer number (3885768806400).

Almost surely, 2^{188707875094242} is an apocalyptic number.

188707875094242 is an abundant number, since it is smaller than the sum of its proper divisors (308670532124958).

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

188707875094242 is a wasteful number, since it uses less digits than its factorization.

188707875094242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55353189 (or 55353183 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 72.

The spelling of 188707875094242 in words is "one hundred eighty-eight trillion, seven hundred seven billion, eight hundred seventy-five million, ninety-four thousand, two hundred forty-two".