11404044240 has 80 divisors (see below), whose sum is σ = 35407162368. Its totient is φ = 3036379648.

The previous prime is 11404044167. The next prime is 11404044257. The reversal of 11404044240 is 4244040411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a self number, because there is not a number n which added to its sum of digits gives 11404044240.

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, 120337 + ... + 193103.

Almost surely, 2^11404044240 is an apocalyptic number.

11404044240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11404044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17703581184).

11404044240 is an abundant number, since it is smaller than the sum of its proper divisors (24003118128).

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

11404044240 is a wasteful number, since it uses less digits than its factorization.

11404044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73436 (or 73430 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 11404044240 its reverse (4244040411), we get a palindrome (15648084651).

The spelling of 11404044240 in words is "eleven billion, four hundred four million, forty-four thousand, two hundred forty".