1244444513044 has 6 divisors (see below), whose sum is σ = 2177777897834. Its totient is φ = 622222256520.

The previous prime is 1244444512879. The next prime is 1244444513063. The reversal of 1244444513044 is 4403154444421.

It can be written as a sum of positive squares in only one way, i.e., 745355955600 + 499088557444 = 863340^2 + 706462^2 .

It is a super-2 number, since 2×1244444513044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244444512988 and 1244444513006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155555564127 + ... + 155555564134.

Almost surely, 2^{1244444513044} is an apocalyptic number.

It is an amenable number.

1244444513044 is a deficient number, since it is larger than the sum of its proper divisors (933333384790).

1244444513044 is a wasteful number, since it uses less digits than its factorization.

1244444513044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311111128265 (or 311111128263 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 40.

Adding to 1244444513044 its reverse (4403154444421), we get a palindrome (5647598957465).

The spelling of 1244444513044 in words is "one trillion, two hundred forty-four billion, four hundred forty-four million, five hundred thirteen thousand, forty-four".