1004144240442 has 64 divisors (see below), whose sum is σ = 2329199391744. Its totient is φ = 282655474560.

The previous prime is 1004144240387. The next prime is 1004144240447. The reversal of 1004144240442 is 2440424414001.

It is a super-2 number, since 2×1004144240442² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1004144240447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2600317 + ... + 2961407.

It is an arithmetic number, because the mean of its divisors is an integer number (36393740496).

Almost surely, 2^{1004144240442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004144240442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164599695872).

1004144240442 is an abundant number, since it is smaller than the sum of its proper divisors (1325055151302).

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

1004144240442 is a wasteful number, since it uses less digits than its factorization.

1004144240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362083.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 1004144240442 its reverse (2440424414001), we get a palindrome (3444568654443).

The spelling of 1004144240442 in words is "one trillion, four billion, one hundred forty-four million, two hundred forty thousand, four hundred forty-two".