455009866 has 4 divisors (see below), whose sum is σ = 682514802. Its totient is φ = 227504932.

The previous prime is 455009857. The next prime is 455009881. The reversal of 455009866 is 668900554.

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., 307265841 + 147744025 = 17529^2 + 12155^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113752465 + ... + 113752468.

Almost surely, 2^455009866 is an apocalyptic number.

455009866 is a deficient number, since it is larger than the sum of its proper divisors (227504936).

455009866 is a wasteful number, since it uses less digits than its factorization.

455009866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227504935.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 455009866 is about 21330.9602690549. The cubic root of 455009866 is about 769.1427272574.

The spelling of 455009866 in words is "four hundred fifty-five million, nine thousand, eight hundred sixty-six".