450444085 has 32 divisors (see below), whose sum is σ = 677859840. Its totient is φ = 279721728.

The previous prime is 450444083. The next prime is 450444089. The reversal of 450444085 is 580444054.

It is not a de Polignac number, because 450444085 - 2¹ = 450444083 is a prime.

It is a super-2 number, since 2×450444085² = 405799747422974450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 450444085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450444083) 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 31 ways as a sum of consecutive naturals, for example, 14776 + ... + 33454.

It is an arithmetic number, because the mean of its divisors is an integer number (21183120).

Almost surely, 2^450444085 is an apocalyptic number.

It is an amenable number.

450444085 is a deficient number, since it is larger than the sum of its proper divisors (227415755).

450444085 is a wasteful number, since it uses less digits than its factorization.

450444085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757.

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 450444085 is about 21223.6680383010. The cubic root of 450444085 is about 766.5614284240.

The spelling of 450444085 in words is "four hundred fifty million, four hundred forty-four thousand, eighty-five".