450464217 has 64 divisors (see below), whose sum is σ = 743608320. Its totient is φ = 236888064.

The previous prime is 450464207. The next prime is 450464219. The reversal of 450464217 is 712464054.

It is not a de Polignac number, because 450464217 - 2⁸ = 450463961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450464219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3986353 + ... + 3986465.

It is an arithmetic number, because the mean of its divisors is an integer number (11618880).

Almost surely, 2^450464217 is an apocalyptic number.

It is an amenable number.

450464217 is a deficient number, since it is larger than the sum of its proper divisors (293144103).

450464217 is a wasteful number, since it uses less digits than its factorization.

450464217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 450464217 is about 21224.1423148263. The cubic root of 450464217 is about 766.5728484022.

The spelling of 450464217 in words is "four hundred fifty million, four hundred sixty-four thousand, two hundred seventeen".