1109353344 has 128 divisors (see below), whose sum is σ = 3234591360. Its totient is φ = 334080000.

The previous prime is 1109353339. The next prime is 1109353379. The reversal of 1109353344 is 4433539011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 763819 + ... + 765269.

It is an arithmetic number, because the mean of its divisors is an integer number (25270245).

Almost surely, 2^1109353344 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 1109353344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617295680).

1109353344 is an abundant number, since it is smaller than the sum of its proper divisors (2125238016).

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

1109353344 is a wasteful number, since it uses less digits than its factorization.

1109353344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1109353344 is about 33306.9563905200. The cubic root of 1109353344 is about 1035.1977012706.

It can be divided in two parts, 1109 and 353344, that added together give a palindrome (354453).

The spelling of 1109353344 in words is "one billion, one hundred nine million, three hundred fifty-three thousand, three hundred forty-four".