11443740 has 96 divisors (see below), whose sum is σ = 39965184. Its totient is φ = 2376960.

The previous prime is 11443739. The next prime is 11443759. The reversal of 11443740 is 4734411.

It is a self number, because there is not a number n which added to its sum of digits gives 11443740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3382 + ... + 5858.

It is an arithmetic number, because the mean of its divisors is an integer number (416304).

Almost surely, 2^11443740 is an apocalyptic number.

11443740 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 11443740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19982592).

11443740 is an abundant number, since it is smaller than the sum of its proper divisors (28521444).

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

11443740 is a wasteful number, since it uses less digits than its factorization.

11443740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2505 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 11443740 is about 3382.8597369681. The cubic root of 11443740 is about 225.3491861992.

It can be divided in two parts, 1144 and 3740, that added together give a palindrome (4884).

The spelling of 11443740 in words is "eleven million, four hundred forty-three thousand, seven hundred forty".