450005644 has 36 divisors (see below), whose sum is σ = 889820568. Its totient is φ = 197478400.

The previous prime is 450005617. The next prime is 450005659. The reversal of 450005644 is 446500054.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 30924 + ... + 43084.

It is an arithmetic number, because the mean of its divisors is an integer number (24717238).

Almost surely, 2^450005644 is an apocalyptic number.

450005644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

450005644 is a deficient number, since it is larger than the sum of its proper divisors (439814924).

450005644 is a wasteful number, since it uses less digits than its factorization.

450005644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12234 (or 12203 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 450005644 is about 21213.3364655351. The cubic root of 450005644 is about 766.3126361212.

Adding to 450005644 its reverse (446500054), we get a palindrome (896505698).

The spelling of 450005644 in words is "four hundred fifty million, five thousand, six hundred forty-four".