188481048 has 96 divisors (see below), whose sum is σ = 555024960. Its totient is φ = 53175360.

The previous prime is 188481047. The next prime is 188481061. The reversal of 188481048 is 840184881.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188481047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96643 + ... + 98573.

It is an arithmetic number, because the mean of its divisors is an integer number (5781510).

Almost surely, 2^188481048 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 188481048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277512480).

188481048 is an abundant number, since it is smaller than the sum of its proper divisors (366543912).

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

188481048 is a wasteful number, since it uses less digits than its factorization.

188481048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 42.

The square root of 188481048 is about 13728.8400092652. The cubic root of 188481048 is about 573.3536249654.

The spelling of 188481048 in words is "one hundred eighty-eight million, four hundred eighty-one thousand, forty-eight".