111485440 has 160 divisors (see below), whose sum is σ = 302284224. Its totient is φ = 39075840.

The previous prime is 111485417. The next prime is 111485441. The reversal of 111485440 is 44584111.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 111485399 and 111485408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111485441) 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, 1041867 + ... + 1041973.

Almost surely, 2^111485440 is an apocalyptic number.

111485440 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 111485440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151142112).

111485440 is an abundant number, since it is smaller than the sum of its proper divisors (190798784).

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

111485440 is a wasteful number, since it uses less digits than its factorization.

111485440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 111485440 is about 10558.6665824810. Note that the first 3 decimals coincide. The cubic root of 111485440 is about 481.2891273073.

The spelling of 111485440 in words is "one hundred eleven million, four hundred eighty-five thousand, four hundred forty".