188040600000 has 504 divisors, whose sum is σ = 735009112656. Its totient is φ = 45580800000.

The previous prime is 188040599983. The next prime is 188040600031. The reversal of 188040600000 is 6040881.

188040600000 is a `hidden beast` number, since 18 + 8 + 0 + 40 + 600 + 0 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19795252 + ... + 19804748.

It is an arithmetic number, because the mean of its divisors is an integer number (1458351414).

Almost surely, 2^188040600000 is an apocalyptic number.

188040600000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188040600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367504556328).

188040600000 is an abundant number, since it is smaller than the sum of its proper divisors (546968512656).

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

188040600000 is an equidigital number, since it uses as much as digits as its factorization.

188040600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551 (or 9518 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 188040600000 its reverse (6040881), we get a palindrome (188046640881).

The spelling of 188040600000 in words is "one hundred eighty-eight billion, forty million, six hundred thousand".