1100004444 has 144 divisors (see below), whose sum is σ = 3503275776. Its totient is φ = 282700800.

The previous prime is 1100004443. The next prime is 1100004467. The reversal of 1100004444 is 4444000011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100004443) 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 47 ways as a sum of consecutive naturals, for example, 266839 + ... + 270929.

It is an arithmetic number, because the mean of its divisors is an integer number (24328304).

Almost surely, 2^1100004444 is an apocalyptic number.

1100004444 is a gapful number since it is divisible by the number (14) 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 1100004444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751637888).

1100004444 is an abundant number, since it is smaller than the sum of its proper divisors (2403271332).

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

1100004444 is a wasteful number, since it uses less digits than its factorization.

1100004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1100004444 is about 33166.3148993071. The cubic root of 1100004444 is about 1032.2815055917.

Adding to 1100004444 its reverse (4444000011), we get a palindrome (5544004455).

The spelling of 1100004444 in words is "one billion, one hundred million, four thousand, four hundred forty-four".