12444451841 has 8 divisors (see below), whose sum is σ = 12874955520. Its totient is φ = 12014040528.

The previous prime is 12444451819. The next prime is 12444451871. The reversal of 12444451841 is 14815444421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12444451841 - 2⁶ = 12444451777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12444451795 and 12444451804.

It is not an unprimeable number, because it can be changed into a prime (12444451801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357680 + ... + 390926.

It is an arithmetic number, because the mean of its divisors is an integer number (1609369440).

Almost surely, 2^12444451841 is an apocalyptic number.

It is an amenable number.

12444451841 is a deficient number, since it is larger than the sum of its proper divisors (430503679).

12444451841 is a wasteful number, since it uses less digits than its factorization.

12444451841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46183.

The product of its digits is 81920, while the sum is 38.

The spelling of 12444451841 in words is "twelve billion, four hundred forty-four million, four hundred fifty-one thousand, eight hundred forty-one".