11044021400 has 24 divisors (see below), whose sum is σ = 25677350220. Its totient is φ = 4417608480.

The previous prime is 11044021399. The next prime is 11044021403. The reversal of 11044021400 is 412044011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11044021403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27609854 + ... + 27610253.

Almost surely, 2^11044021400 is an apocalyptic number.

11044021400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11044021400 is an abundant number, since it is smaller than the sum of its proper divisors (14633328820).

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

11044021400 is a wasteful number, since it uses less digits than its factorization.

11044021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55220123 (or 55220114 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11044021400 its reverse (412044011), we get a palindrome (11456065411).

The spelling of 11044021400 in words is "eleven billion, forty-four million, twenty-one thousand, four hundred".