11443434400 has 144 divisors (see below), whose sum is σ = 29956832640. Its totient is φ = 4253184000.

The previous prime is 11443434371. The next prime is 11443434413. The reversal of 11443434400 is 443434411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1069075 + ... + 1079725.

It is an arithmetic number, because the mean of its divisors is an integer number (208033560).

Almost surely, 2^11443434400 is an apocalyptic number.

11443434400 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 11443434400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14978416320).

11443434400 is an abundant number, since it is smaller than the sum of its proper divisors (18513398240).

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

11443434400 is a wasteful number, since it uses less digits than its factorization.

11443434400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10767 (or 10754 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 11443434400 its reverse (443434411), we get a palindrome (11886868811).

The spelling of 11443434400 in words is "eleven billion, four hundred forty-three million, four hundred thirty-four thousand, four hundred".