11045940 has 48 divisors (see below), whose sum is σ = 31594752. Its totient is φ = 2882176.

The previous prime is 11045939. The next prime is 11045953. The reversal of 11045940 is 4954011.

It is a self number, because there is not a number n which added to its sum of digits gives 11045940.

It is a congruent number.

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, 862 + ... + 4778.

It is an arithmetic number, because the mean of its divisors is an integer number (658224).

Almost surely, 2^11045940 is an apocalyptic number.

11045940 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 11045940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15797376).

11045940 is an abundant number, since it is smaller than the sum of its proper divisors (20548812).

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

11045940 is a wasteful number, since it uses less digits than its factorization.

11045940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976 (or 3974 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11045940 is about 3323.5432899242. The cubic root of 11045940 is about 222.7071840325.

Adding to 11045940 its reverse (4954011), we get a palindrome (15999951).

The spelling of 11045940 in words is "eleven million, forty-five thousand, nine hundred forty".