243444004441 has 12 divisors (see below), whose sum is σ = 281670751600. Its totient is φ = 209664690840.

The previous prime is 243444004439. The next prime is 243444004481. The reversal of 243444004441 is 144400444342.

It is not a de Polignac number, because 243444004441 - 2¹ = 243444004439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243444004397 and 243444004406.

It is not an unprimeable number, because it can be changed into a prime (243444004481) 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, 52943331 + ... + 52947928.

Almost surely, 2^243444004441 is an apocalyptic number.

It is an amenable number.

243444004441 is a deficient number, since it is larger than the sum of its proper divisors (38226747159).

243444004441 is a wasteful number, since it uses less digits than its factorization.

243444004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105891300 (or 105891289 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 243444004441 its reverse (144400444342), we get a palindrome (387844448783).

The spelling of 243444004441 in words is "two hundred forty-three billion, four hundred forty-four million, four thousand, four hundred forty-one".