11089440 has 192 divisors, whose sum is σ = 41368320. Its totient is φ = 2764800.

The previous prime is 11089433. The next prime is 11089459. The reversal of 11089440 is 4498011.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73365 + ... + 73515.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

Almost surely, 2^11089440 is an apocalyptic number.

11089440 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 11089440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20684160).

11089440 is an abundant number, since it is smaller than the sum of its proper divisors (30278880).

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

11089440 is a wasteful number, since it uses less digits than its factorization.

11089440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11089440 is about 3330.0810800940. The cubic root of 11089440 is about 222.9991487161. Note that the first 3 decimals are identical.

The spelling of 11089440 in words is "eleven million, eighty-nine thousand, four hundred forty".