11080440 has 96 divisors (see below), whose sum is σ = 41165280. Its totient is φ = 2532096.

The previous prime is 11080429. The next prime is 11080469. The reversal of 11080440 is 4408011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 322 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (428805).

Almost surely, 2^11080440 is an apocalyptic number.

11080440 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 11080440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20582640).

11080440 is an abundant number, since it is smaller than the sum of its proper divisors (30084840).

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

11080440 is a wasteful number, since it uses less digits than its factorization.

11080440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421 (or 4414 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 11080440 is about 3328.7294873570. The cubic root of 11080440 is about 222.9388049558.

Adding to 11080440 its reverse (4408011), we get a palindrome (15488451).

The spelling of 11080440 in words is "eleven million, eighty thousand, four hundred forty".