544444443 has 16 divisors (see below), whose sum is σ = 811728160. Its totient is φ = 360648288.

The previous prime is 544444423. The next prime is 544444447. The reversal of 544444443 is 344444445.

It is not a de Polignac number, because 544444443 - 2¹³ = 544436251 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 544444398 and 544444407.

It is not an unprimeable number, because it can be changed into a prime (544444447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59980 + ... + 68457.

It is an arithmetic number, because the mean of its divisors is an integer number (50733010).

Almost surely, 2^544444443 is an apocalyptic number.

544444443 is a deficient number, since it is larger than the sum of its proper divisors (267283717).

544444443 is a wasteful number, since it uses less digits than its factorization.

544444443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128603 (or 128597 counting only the distinct ones).

The product of its digits is 245760, while the sum is 36.

The square root of 544444443 is about 23333.3333023810. Note that the first 4 decimals coincide. The cubic root of 544444443 is about 816.5532715156.

Adding to 544444443 its reverse (344444445), we get a palindrome (888888888).

The spelling of 544444443 in words is "five hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".