188031550740 has 48 divisors (see below), whose sum is σ = 574350920640. Its totient is φ = 45583406080.

The previous prime is 188031550661. The next prime is 188031550747. The reversal of 188031550740 is 47055130881.

188031550740 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 = 188031550692 and 188031550701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188031550747) 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 15 ways as a sum of consecutive naturals, for example, 142447485 + ... + 142448804.

It is an arithmetic number, because the mean of its divisors is an integer number (11965644180).

Almost surely, 2^188031550740 is an apocalyptic number.

188031550740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188031550740 is an abundant number, since it is smaller than the sum of its proper divisors (386319369900).

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

188031550740 is a wasteful number, since it uses less digits than its factorization.

188031550740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284896312 (or 284896310 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 188031550740 in words is "one hundred eighty-eight billion, thirty-one million, five hundred fifty thousand, seven hundred forty".