4481444451 has 12 divisors (see below), whose sum is σ = 6567847496. Its totient is φ = 2716026720.

The previous prime is 4481444447. The next prime is 4481444491. The reversal of 4481444451 is 1544441844.

It is not a de Polignac number, because 4481444451 - 2² = 4481444447 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4481444431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6172426 + ... + 6173151.

Almost surely, 2^4481444451 is an apocalyptic number.

4481444451 is a deficient number, since it is larger than the sum of its proper divisors (2086403045).

4481444451 is a wasteful number, since it uses less digits than its factorization.

4481444451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12345602 (or 12345591 counting only the distinct ones).

The product of its digits is 163840, while the sum is 39.

The square root of 4481444451 is about 66943.5915603577. The cubic root of 4481444451 is about 1648.6912733459.

The spelling of 4481444451 in words is "four billion, four hundred eighty-one million, four hundred forty-four thousand, four hundred fifty-one".