1144020002444 has 72 divisors (see below), whose sum is σ = 2317405278720. Its totient is φ = 492427283040.

The previous prime is 1144020002441. The next prime is 1144020002453. The reversal of 1144020002444 is 4442000204411.

It is not an unprimeable number, because it can be changed into a prime (1144020002441) 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, 22256237 + ... + 22307579.

Almost surely, 2^{1144020002444} is an apocalyptic number.

It is an amenable number.

1144020002444 is an abundant number, since it is smaller than the sum of its proper divisors (1173385276276).

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

1144020002444 is a wasteful number, since it uses less digits than its factorization.

1144020002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53811 (or 53798 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 1144020002444 its reverse (4442000204411), we get a palindrome (5586020206855).

The spelling of 1144020002444 in words is "one trillion, one hundred forty-four billion, twenty million, two thousand, four hundred forty-four".