450002666 has 4 divisors (see below), whose sum is σ = 675004002. Its totient is φ = 225001332.

The previous prime is 450002653. The next prime is 450002711. The reversal of 450002666 is 666200054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 418407025 + 31595641 = 20455^2 + 5621^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112500665 + ... + 112500668.

Almost surely, 2^450002666 is an apocalyptic number.

450002666 is a deficient number, since it is larger than the sum of its proper divisors (225001336).

450002666 is a wasteful number, since it uses less digits than its factorization.

450002666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225001335.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 450002666 is about 21213.2662737260. The cubic root of 450002666 is about 766.3109457098.

The spelling of 450002666 in words is "four hundred fifty million, two thousand, six hundred sixty-six".