11040140 has 48 divisors (see below), whose sum is σ = 25855200. Its totient is φ = 3935232.

The previous prime is 11040131. The next prime is 11040151. The reversal of 11040140 is 4104011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5606 + ... + 7314.

It is an arithmetic number, because the mean of its divisors is an integer number (538650).

Almost surely, 2^11040140 is an apocalyptic number.

11040140 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 11040140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12927600).

11040140 is an abundant number, since it is smaller than the sum of its proper divisors (14815060).

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

11040140 is a wasteful number, since it uses less digits than its factorization.

11040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11040140 is about 3322.6706126247. The cubic root of 11040140 is about 222.6681975265.

Adding to 11040140 its reverse (4104011), we get a palindrome (15144151).

The spelling of 11040140 in words is "eleven million, forty thousand, one hundred forty".