1144420424444 has 12 divisors (see below), whose sum is σ = 2184802628568. Its totient is φ = 520191102000.

The previous prime is 1144420424387. The next prime is 1144420424447. The reversal of 1144420424444 is 4444240244411.

It is a super-2 number, since 2×1144420424444² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1144420424398 and 1144420424407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144420424447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13004777507 + ... + 13004777594.

It is an arithmetic number, because the mean of its divisors is an integer number (182066885714).

Almost surely, 2^{1144420424444} is an apocalyptic number.

It is an amenable number.

1144420424444 is a deficient number, since it is larger than the sum of its proper divisors (1040382204124).

1144420424444 is a wasteful number, since it uses less digits than its factorization.

1144420424444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26009555116 (or 26009555114 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 38.

Adding to 1144420424444 its reverse (4444240244411), we get a palindrome (5588660668855).

The spelling of 1144420424444 in words is "one trillion, one hundred forty-four billion, four hundred twenty million, four hundred twenty-four thousand, four hundred forty-four".