1244440431441 has 12 divisors (see below), whose sum is σ = 1802218349568. Its totient is φ = 827460824184.

The previous prime is 1244440431397. The next prime is 1244440431499. The reversal of 1244440431441 is 1441340444421.

1244440431441 is a `hidden beast` number, since 1 + 244 + 4 + 404 + 3 + 1 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 1244440431441 - 2⁷ = 1244440431313 is a prime.

It is a hoax number, since the sum of its digits (36) 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 = 1244440431396 and 1244440431405.

It is not an unprimeable number, because it can be changed into a prime (1244440431341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180507205 + ... + 180514098.

It is an arithmetic number, because the mean of its divisors is an integer number (150184862464).

Almost surely, 2^{1244440431441} is an apocalyptic number.

It is an amenable number.

1244440431441 is a deficient number, since it is larger than the sum of its proper divisors (557777918127).

1244440431441 is a wasteful number, since it uses less digits than its factorization.

1244440431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361021692 (or 361021689 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 1244440431441 its reverse (1441340444421), we get a palindrome (2685780875862).

The spelling of 1244440431441 in words is "one trillion, two hundred forty-four billion, four hundred forty million, four hundred thirty-one thousand, four hundred forty-one".