11440322012 has 12 divisors (see below), whose sum is σ = 22880644080. Its totient is φ = 4902995136.

The previous prime is 11440321993. The next prime is 11440322039. The reversal of 11440322012 is 21022304411.

11440322012 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204291437 + ... + 204291492.

It is an arithmetic number, because the mean of its divisors is an integer number (1906720340).

Almost surely, 2^11440322012 is an apocalyptic number.

It is an amenable number.

11440322012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11440322012 is a wasteful number, since it uses less digits than its factorization.

11440322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408582940 (or 408582938 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11440322012 its reverse (21022304411), we get a palindrome (32462626423).

The spelling of 11440322012 in words is "eleven billion, four hundred forty million, three hundred twenty-two thousand, twelve".