1044441121000 has 128 divisors (see below), whose sum is σ = 2588992567200. Its totient is φ = 393013555200.

The previous prime is 1044441120887. The next prime is 1044441121007. The reversal of 1044441121000 is 1211444401.

It can be written as a sum of positive squares in 16 ways, for example, as 29598449764 + 1014842671236 = 172042^2 + 1007394^2 .

It is not an unprimeable number, because it can be changed into a prime (1044441121007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38559462 + ... + 38586538.

Almost surely, 2^{1044441121000} is an apocalyptic number.

1044441121000 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 1044441121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294496283600).

1044441121000 is an abundant number, since it is smaller than the sum of its proper divisors (1544551446200).

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

1044441121000 is a wasteful number, since it uses less digits than its factorization.

1044441121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29384 (or 29370 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1044441121000 its reverse (1211444401), we get a palindrome (1045652565401).

The spelling of 1044441121000 in words is "one trillion, forty-four billion, four hundred forty-one million, one hundred twenty-one thousand".