444078481 has 8 divisors (see below), whose sum is σ = 553656384. Its totient is φ = 346035120.

The previous prime is 444078473. The next prime is 444078493. The reversal of 444078481 is 184870444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444078481 - 2³ = 444078473 is a prime.

It is a super-2 number, since 2×444078481² = 394411394574534722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444078461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883550 + ... + 2883703.

It is an arithmetic number, because the mean of its divisors is an integer number (69207048).

Almost surely, 2^444078481 is an apocalyptic number.

It is an amenable number.

444078481 is a deficient number, since it is larger than the sum of its proper divisors (109577903).

444078481 is a wasteful number, since it uses less digits than its factorization.

444078481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767271.

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 444078481 is about 21073.1696951360. The cubic root of 444078481 is about 762.9333090675.

The spelling of 444078481 in words is "four hundred forty-four million, seventy-eight thousand, four hundred eighty-one".