444303441 has 8 divisors (see below), whose sum is σ = 658227360. Its totient is φ = 296202276.

The previous prime is 444303413. The next prime is 444303473. The reversal of 444303441 is 144303444.

It is a de Polignac number, because none of the positive numbers 2^k-444303441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16455683 = 444303441 / (4 + 4 + 4 + 3 + 0 + 3 + 4 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (444303401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8227815 + ... + 8227868.

It is an arithmetic number, because the mean of its divisors is an integer number (82278420).

Almost surely, 2^444303441 is an apocalyptic number.

It is an amenable number.

444303441 is a deficient number, since it is larger than the sum of its proper divisors (213923919).

444303441 is a wasteful number, since it uses less digits than its factorization.

444303441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16455692 (or 16455686 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 444303441 is about 21078.5066121867. The cubic root of 444303441 is about 763.0621155071.

Adding to 444303441 its reverse (144303444), we get a palindrome (588606885).

The spelling of 444303441 in words is "four hundred forty-four million, three hundred three thousand, four hundred forty-one".