1004243343040 has 168 divisors, whose sum is σ = 2747021716512. Its totient is φ = 342551531520.

The previous prime is 1004243343023. The next prime is 1004243343043. The reversal of 1004243343040 is 403433424001.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1004243343043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88700580 + ... + 88711900.

Almost surely, 2^{1004243343040} is an apocalyptic number.

1004243343040 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 1004243343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373510858256).

1004243343040 is an abundant number, since it is smaller than the sum of its proper divisors (1742778373472).

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

1004243343040 is an equidigital number, since it uses as much as digits as its factorization.

1004243343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11743 (or 11534 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1004243343040 its reverse (403433424001), we get a palindrome (1407676767041).

The spelling of 1004243343040 in words is "one trillion, four billion, two hundred forty-three million, three hundred forty-three thousand, forty".