444450453 has 16 divisors (see below), whose sum is σ = 604128000. Its totient is φ = 290566080.

The previous prime is 444450449. The next prime is 444450473. The reversal of 444450453 is 354054444.

It is a happy number.

It is not a de Polignac number, because 444450453 - 2² = 444450449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444450473) 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 15 ways as a sum of consecutive naturals, for example, 60388 + ... + 67346.

It is an arithmetic number, because the mean of its divisors is an integer number (37758000).

Almost surely, 2^444450453 is an apocalyptic number.

It is an amenable number.

444450453 is a deficient number, since it is larger than the sum of its proper divisors (159677547).

444450453 is a wasteful number, since it uses less digits than its factorization.

444450453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 444450453 is about 21081.9935727151. The cubic root of 444450453 is about 763.1462673930.

The spelling of 444450453 in words is "four hundred forty-four million, four hundred fifty thousand, four hundred fifty-three".