111340240 has 80 divisors (see below), whose sum is σ = 294731136. Its totient is φ = 38720000.

The previous prime is 111340237. The next prime is 111340291. The reversal of 111340240 is 42043111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17490 + ... + 22990.

Almost surely, 2^111340240 is an apocalyptic number.

111340240 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 111340240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147365568).

111340240 is an abundant number, since it is smaller than the sum of its proper divisors (183390896).

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

111340240 is a wasteful number, since it uses less digits than its factorization.

111340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548 (or 5542 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 111340240 is about 10551.7884739981. The cubic root of 111340240 is about 481.0800909160.

Adding to 111340240 its reverse (42043111), we get a palindrome (153383351).

The spelling of 111340240 in words is "one hundred eleven million, three hundred forty thousand, two hundred forty".