1044043423340 has 192 divisors, whose sum is σ = 2570923877760. Its totient is φ = 353460879360.

The previous prime is 1044043423333. The next prime is 1044043423343. The reversal of 1044043423340 is 433243404401.

It is a junction number, because it is equal to n+sod(n) for n = 1044043423297 and 1044043423306.

It is not an unprimeable number, because it can be changed into a prime (1044043423343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9746552 + ... + 9853088.

It is an arithmetic number, because the mean of its divisors is an integer number (13390228530).

Almost surely, 2^{1044043423340} is an apocalyptic number.

1044043423340 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 1044043423340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285461938880).

1044043423340 is an abundant number, since it is smaller than the sum of its proper divisors (1526880454420).

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

1044043423340 is a wasteful number, since it uses less digits than its factorization.

1044043423340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106660 (or 106658 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1044043423340 its reverse (433243404401), we get a palindrome (1477286827741).

The spelling of 1044043423340 in words is "one trillion, forty-four billion, forty-three million, four hundred twenty-three thousand, three hundred forty".