11420044412 has 12 divisors (see below), whose sum is σ = 22840088880. Its totient is φ = 4894304736.

The previous prime is 11420044397. The next prime is 11420044417. The reversal of 11420044412 is 21444002411.

11420044412 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420044417) 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, 203929337 + ... + 203929392.

It is an arithmetic number, because the mean of its divisors is an integer number (1903340740).

Almost surely, 2^11420044412 is an apocalyptic number.

It is an amenable number.

11420044412 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.

11420044412 is a wasteful number, since it uses less digits than its factorization.

11420044412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407858740 (or 407858738 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 11420044412 its reverse (21444002411), we get a palindrome (32864046823).

The spelling of 11420044412 in words is "eleven billion, four hundred twenty million, forty-four thousand, four hundred twelve".