11240320 has 128 divisors (see below), whose sum is σ = 33243840. Its totient is φ = 3538944.

The previous prime is 11240309. The next prime is 11240323. The reversal of 11240320 is 2304211.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11240320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58144 + ... + 58336.

Almost surely, 2^11240320 is an apocalyptic number.

11240320 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 11240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16621920).

11240320 is an abundant number, since it is smaller than the sum of its proper divisors (22003520).

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

11240320 is a wasteful number, since it uses less digits than its factorization.

11240320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11240320 is about 3352.6586465073. The cubic root of 11240320 is about 224.0059522228.

Adding to 11240320 its reverse (2304211), we get a palindrome (13544531).

The spelling of 11240320 in words is "eleven million, two hundred forty thousand, three hundred twenty".