11404013424 has 80 divisors (see below), whose sum is σ = 29842197120. Its totient is φ = 3752300800.

The previous prime is 11404013371. The next prime is 11404013471. The reversal of 11404013424 is 42431040411.

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

It is a junction number, because it is equal to n+sod(n) for n = 11404013394 and 11404013403.

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, 1678867 + ... + 1685645.

It is an arithmetic number, because the mean of its divisors is an integer number (373027464).

Almost surely, 2^11404013424 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 11404013424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14921098560).

11404013424 is an abundant number, since it is smaller than the sum of its proper divisors (18438183696).

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

11404013424 is a wasteful number, since it uses less digits than its factorization.

11404013424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238 (or 7232 counting only the distinct ones).

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

Adding to 11404013424 its reverse (42431040411), we get a palindrome (53835053835).

The spelling of 11404013424 in words is "eleven billion, four hundred four million, thirteen thousand, four hundred twenty-four".