11404021344 has 96 divisors (see below), whose sum is σ = 30779481600. Its totient is φ = 3695273472.

The previous prime is 11404021337. The next prime is 11404021361. The reversal of 11404021344 is 44312040411.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663807 + ... + 680769.

It is an arithmetic number, because the mean of its divisors is an integer number (320619600).

Almost surely, 2^11404021344 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 11404021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15389740800).

11404021344 is an abundant number, since it is smaller than the sum of its proper divisors (19375460256).

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

11404021344 is a wasteful number, since it uses less digits than its factorization.

11404021344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17172 (or 17164 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11404021344 its reverse (44312040411), we get a palindrome (55716061755).

The spelling of 11404021344 in words is "eleven billion, four hundred four million, twenty-one thousand, three hundred forty-four".