11340343420 has 144 divisors (see below), whose sum is σ = 29300261760. Its totient is φ = 3665886336.

The previous prime is 11340343403. The next prime is 11340343423. The reversal of 11340343420 is 2434304311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11340343423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4225399 + ... + 4228081.

It is an arithmetic number, because the mean of its divisors is an integer number (203474040).

Almost surely, 2^11340343420 is an apocalyptic number.

11340343420 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 11340343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14650130880).

11340343420 is an abundant number, since it is smaller than the sum of its proper divisors (17959918340).

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

11340343420 is a wasteful number, since it uses less digits than its factorization.

11340343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952 (or 2943 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 11340343420 its reverse (2434304311), we get a palindrome (13774647731).

The spelling of 11340343420 in words is "eleven billion, three hundred forty million, three hundred forty-three thousand, four hundred twenty".