11044213440 has 224 divisors, whose sum is σ = 37961011200. Its totient is φ = 2704306176.

The previous prime is 11044213399. The next prime is 11044213459. The reversal of 11044213440 is 4431244011.

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 11044213440.

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, 2481297 + ... + 2485743.

It is an arithmetic number, because the mean of its divisors is an integer number (169468800).

Almost surely, 2^11044213440 is an apocalyptic number.

11044213440 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 11044213440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18980505600).

11044213440 is an abundant number, since it is smaller than the sum of its proper divisors (26916797760).

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

11044213440 is a wasteful number, since it uses less digits than its factorization.

11044213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679 (or 4669 counting only the distinct ones).

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

Adding to 11044213440 its reverse (4431244011), we get a palindrome (15475457451).

The spelling of 11044213440 in words is "eleven billion, forty-four million, two hundred thirteen thousand, four hundred forty".