11325440 has 104 divisors (see below), whose sum is σ = 31453440. Its totient is φ = 3833856.

The previous prime is 11325437. The next prime is 11325473. The reversal of 11325440 is 4452311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143321 + ... + 143399.

Almost surely, 2^11325440 is an apocalyptic number.

11325440 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 11325440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15726720).

11325440 is an abundant number, since it is smaller than the sum of its proper divisors (20128000).

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

11325440 is an frugal number, since it uses more digits than its factorization.

11325440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 11325440 is about 3365.3291072345. The cubic root of 11325440 is about 224.5699770119.

Adding to 11325440 its reverse (4452311), we get a palindrome (15777751).

The spelling of 11325440 in words is "eleven million, three hundred twenty-five thousand, four hundred forty".