4444400242043 has 2 divisors, whose sum is σ = 4444400242044. Its totient is φ = 4444400242042.

The previous prime is 4444400241989. The next prime is 4444400242049. The reversal of 4444400242043 is 3402420044444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4444400242043 - 2¹² = 4444400237947 is a prime.

It is a super-2 number, since 2×4444400242043² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4444400241994 and 4444400242012.

It is not a weakly prime, because it can be changed into another prime (4444400242049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222200121021 + 2222200121022.

It is an arithmetic number, because the mean of its divisors is an integer number (2222200121022).

Almost surely, 2^{4444400242043} is an apocalyptic number.

4444400242043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444400242043 is an equidigital number, since it uses as much as digits as its factorization.

4444400242043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 4444400242043 its reverse (3402420044444), we get a palindrome (7846820286487).

The spelling of 4444400242043 in words is "four trillion, four hundred forty-four billion, four hundred million, two hundred forty-two thousand, forty-three".