11440023420444 has 96 divisors (see below), whose sum is σ = 28150928891904. Its totient is φ = 3608723067840.

The previous prime is 11440023420389. The next prime is 11440023420481. The reversal of 11440023420444 is 44402432004411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30029679 + ... + 30408249.

It is an arithmetic number, because the mean of its divisors is an integer number (293238842624).

Almost surely, 2^{11440023420444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11440023420444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14075464445952).

11440023420444 is an abundant number, since it is smaller than the sum of its proper divisors (16710905471460).

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

11440023420444 is a wasteful number, since it uses less digits than its factorization.

11440023420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379767 (or 379765 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 11440023420444 its reverse (44402432004411), we get a palindrome (55842455424855).

The spelling of 11440023420444 in words is "eleven trillion, four hundred forty billion, twenty-three million, four hundred twenty thousand, four hundred forty-four".