1044221041040 has 160 divisors (see below), whose sum is σ = 2707835080320. Its totient is φ = 372164861952.

The previous prime is 1044221041027. The next prime is 1044221041093. The reversal of 1044221041040 is 401401224401.

It is a super-2 number, since 2×1044221041040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1044221040997 and 1044221041015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38565587 + ... + 38592653.

It is an arithmetic number, because the mean of its divisors is an integer number (16923969252).

Almost surely, 2^{1044221041040} is an apocalyptic number.

1044221041040 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 1044221041040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353917540160).

1044221041040 is an abundant number, since it is smaller than the sum of its proper divisors (1663614039280).

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

1044221041040 is a wasteful number, since it uses less digits than its factorization.

1044221041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28609 (or 28603 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1044221041040 its reverse (401401224401), we get a palindrome (1445622265441).

The spelling of 1044221041040 in words is "one trillion, forty-four billion, two hundred twenty-one million, forty-one thousand, forty".