188944448 has 112 divisors (see below), whose sum is σ = 488070144. Its totient is φ = 70371840.

The previous prime is 188944447. The next prime is 188944463. The reversal of 188944448 is 844449881.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 188944396 and 188944405.

It is not an unprimeable number, because it can be changed into a prime (188944447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112511 + ... + 114177.

Almost surely, 2^188944448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188944448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244035072).

188944448 is an abundant number, since it is smaller than the sum of its proper divisors (299125696).

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

188944448 is a wasteful number, since it uses less digits than its factorization.

188944448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1710 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 50.

The square root of 188944448 is about 13745.7065296768. The cubic root of 188944448 is about 573.8231233151.

The spelling of 188944448 in words is "one hundred eighty-eight million, nine hundred forty-four thousand, four hundred forty-eight".