188788003420 has 24 divisors (see below), whose sum is σ = 399115584000. Its totient is φ = 75008386752.

The previous prime is 188788003367. The next prime is 188788003423. The reversal of 188788003420 is 24300887881.

188788003420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188788003423) 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, 31672860 + ... + 31678819.

It is an arithmetic number, because the mean of its divisors is an integer number (16629816000).

Almost surely, 2^188788003420 is an apocalyptic number.

188788003420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188788003420 is an abundant number, since it is smaller than the sum of its proper divisors (210327580580).

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

188788003420 is a wasteful number, since it uses less digits than its factorization.

188788003420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63351837 (or 63351835 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 188788003420 in words is "one hundred eighty-eight billion, seven hundred eighty-eight million, three thousand, four hundred twenty".