450021466 has 8 divisors (see below), whose sum is σ = 676245780. Its totient is φ = 224606208.

The previous prime is 450021419. The next prime is 450021511. The reversal of 450021466 is 664120054.

It can be written as a sum of positive squares in 2 ways, for example, as 377175241 + 72846225 = 19421^2 + 8535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200871 + ... + 203098.

Almost surely, 2^450021466 is an apocalyptic number.

450021466 is a deficient number, since it is larger than the sum of its proper divisors (226224314).

450021466 is a wasteful number, since it uses less digits than its factorization.

450021466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404528.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 450021466 is about 21213.7093880349. The cubic root of 450021466 is about 766.3216170874.

The spelling of 450021466 in words is "four hundred fifty million, twenty-one thousand, four hundred sixty-six".