4444444471 has 4 divisors (see below), whose sum is σ = 4483775952. Its totient is φ = 4405112992.

The previous prime is 4444444447. The next prime is 4444444481. The reversal of 4444444471 is 1744444444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4444444471 - 2⁷ = 4444444343 is a prime.

It is a super-3 number, since 3×4444444471³ (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444444481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19665571 + ... + 19665796.

It is an arithmetic number, because the mean of its divisors is an integer number (1120943988).

Almost surely, 2^4444444471 is an apocalyptic number.

4444444471 is a deficient number, since it is larger than the sum of its proper divisors (39331481).

4444444471 is a wasteful number, since it uses less digits than its factorization.

4444444471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39331480.

The product of its digits is 458752, while the sum is 40.

The square root of 4444444471 is about 66666.6668658333. Note that the first 3 decimals coincide. The cubic root of 4444444471 is about 1644.1413861616.

The spelling of 4444444471 in words is "four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred seventy-one".