11040440 has 16 divisors (see below), whose sum is σ = 24841080. Its totient is φ = 4416160.

The previous prime is 11040431. The next prime is 11040473. The reversal of 11040440 is 4404011.

11040440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137966 + ... + 138045.

Almost surely, 2^11040440 is an apocalyptic number.

11040440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11040440 is an abundant number, since it is smaller than the sum of its proper divisors (13800640).

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

11040440 is a wasteful number, since it uses less digits than its factorization.

11040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276022 (or 276018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 11040440 is about 3322.7157567267. The cubic root of 11040440 is about 222.6702144048.

Adding to 11040440 its reverse (4404011), we get a palindrome (15444451).

The spelling of 11040440 in words is "eleven million, forty thousand, four hundred forty".