111444480 has 240 divisors, whose sum is σ = 441739584. Its totient is φ = 25436160.

The previous prime is 111444479. The next prime is 111444497. The reversal of 111444480 is 84444111.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160935 + ... + 161625.

Almost surely, 2^111444480 is an apocalyptic number.

111444480 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 111444480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220869792).

111444480 is an abundant number, since it is smaller than the sum of its proper divisors (330295104).

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

111444480 is an equidigital number, since it uses as much as digits as its factorization.

111444480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 111444480 is about 10556.7267654326. The cubic root of 111444480 is about 481.2301778534.

Adding to 111444480 its reverse (84444111), we get a palindrome (195888591).

The spelling of 111444480 in words is "one hundred eleven million, four hundred forty-four thousand, four hundred eighty".