444444255243 has 6 divisors (see below), whose sum is σ = 641975035364. Its totient is φ = 296296170156.

The previous prime is 444444255239. The next prime is 444444255317. The reversal of 444444255243 is 342552444444.

444444255243 is a `hidden beast` number, since 4 + 44 + 44 + 42 + 5 + 524 + 3 = 666.

444444255243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 444444255243 - 2² = 444444255239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444444255743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24691347505 + ... + 24691347522.

Almost surely, 2^444444255243 is an apocalyptic number.

444444255243 is a deficient number, since it is larger than the sum of its proper divisors (197530780121).

444444255243 is a wasteful number, since it uses less digits than its factorization.

444444255243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49382695033 (or 49382695030 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 45.

Adding to 444444255243 its reverse (342552444444), we get a palindrome (786996699687).

The spelling of 444444255243 in words is "four hundred forty-four billion, four hundred forty-four million, two hundred fifty-five thousand, two hundred forty-three".