1100441144 has 64 divisors (see below), whose sum is σ = 2389033440. Its totient is φ = 469647360.

The previous prime is 1100441143. The next prime is 1100441191. The reversal of 1100441144 is 4411440011.

It is a happy number.

It is a super-2 number, since 2×1100441144² = 2421941422816057472, which contains 22 as substring.

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 (1100441143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006262 + ... + 1007354.

Almost surely, 2^1100441144 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 1100441144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194516720).

1100441144 is an abundant number, since it is smaller than the sum of its proper divisors (1288592296).

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

1100441144 is a wasteful number, since it uses less digits than its factorization.

1100441144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1100441144 is about 33172.8977329386. The cubic root of 1100441144 is about 1032.4180922191.

Adding to 1100441144 its reverse (4411440011), we get a palindrome (5511881155).

It can be divided in two parts, 1100 and 441144, that added together give a palindrome (442244).

The spelling of 1100441144 in words is "one billion, one hundred million, four hundred forty-one thousand, one hundred forty-four".