544444444444447 has 16 divisors (see below), whose sum is σ = 562961459773440. Its totient is φ = 525987817660800.

The previous prime is 544444444444423. The next prime is 544444444444477. The reversal of 544444444444447 is 744444444444445.

It is not a de Polignac number, because 544444444444447 - 2¹¹ = 544444444442399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544444444444477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37626498 + ... + 50046400.

It is an arithmetic number, because the mean of its divisors is an integer number (35185091235840).

Almost surely, 2^{544444444444447} is an apocalyptic number.

544444444444447 is a deficient number, since it is larger than the sum of its proper divisors (18517015328993).

544444444444447 is a wasteful number, since it uses less digits than its factorization.

544444444444447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12422334.

The product of its digits is 2348810240, while the sum is 64.

The spelling of 544444444444447 in words is "five hundred forty-four trillion, four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-seven".