11104040240 has 80 divisors (see below), whose sum is σ = 26094312000. Its totient is φ = 4394136576.

The previous prime is 11104040237. The next prime is 11104040323. The reversal of 11104040240 is 4204040111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3204749 + ... + 3208211.

It is an arithmetic number, because the mean of its divisors is an integer number (326178900).

Almost surely, 2^11104040240 is an apocalyptic number.

11104040240 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 11104040240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13047156000).

11104040240 is an abundant number, since it is smaller than the sum of its proper divisors (14990271760).

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

11104040240 is a wasteful number, since it uses less digits than its factorization.

11104040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11104040240 its reverse (4204040111), we get a palindrome (15308080351).

The spelling of 11104040240 in words is "eleven billion, one hundred four million, forty thousand, two hundred forty".