11403440000 has 80 divisors (see below), whose sum is σ = 28388350320. Its totient is φ = 4561344000.

The previous prime is 11403439981. The next prime is 11403440021. The reversal of 11403440000 is 4430411.

11403440000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8729 + ... + 151271.

It is an arithmetic number, because the mean of its divisors is an integer number (354854379).

Almost surely, 2^11403440000 is an apocalyptic number.

11403440000 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 11403440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14194175160).

11403440000 is an abundant number, since it is smaller than the sum of its proper divisors (16984910320).

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

11403440000 is an frugal number, since it uses more digits than its factorization.

11403440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142577 (or 142550 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 11403440000 its reverse (4430411), we get a palindrome (11407870411).

The spelling of 11403440000 in words is "eleven billion, four hundred three million, four hundred forty thousand".