11344320140 has 12 divisors (see below), whose sum is σ = 23823072336. Its totient is φ = 4537728048.

The previous prime is 11344320109. The next prime is 11344320149. The reversal of 11344320140 is 4102344311.

It is not an unprimeable number, because it can be changed into a prime (11344320149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283607984 + ... + 283608023.

It is an arithmetic number, because the mean of its divisors is an integer number (1985256028).

Almost surely, 2^11344320140 is an apocalyptic number.

11344320140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11344320140 is an abundant number, since it is smaller than the sum of its proper divisors (12478752196).

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

11344320140 is a wasteful number, since it uses less digits than its factorization.

11344320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567216016 (or 567216014 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11344320140 its reverse (4102344311), we get a palindrome (15446664451).

The spelling of 11344320140 in words is "eleven billion, three hundred forty-four million, three hundred twenty thousand, one hundred forty".