11424040144 has 80 divisors (see below), whose sum is σ = 25122963456. Its totient is φ = 4985366400.

The previous prime is 11424040091. The next prime is 11424040153. The reversal of 11424040144 is 44104042411.

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, 684669 + ... + 701155.

Almost surely, 2^11424040144 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 11424040144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12561481728).

11424040144 is an abundant number, since it is smaller than the sum of its proper divisors (13698923312).

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

11424040144 is a wasteful number, since it uses less digits than its factorization.

11424040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664 (or 16658 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 11424040144 its reverse (44104042411), we get a palindrome (55528082555).

The spelling of 11424040144 in words is "eleven billion, four hundred twenty-four million, forty thousand, one hundred forty-four".