451944966 has 32 divisors (see below), whose sum is σ = 1044067968. Its totient is φ = 128896640.

The previous prime is 451944953. The next prime is 451945031. The reversal of 451944966 is 669449154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200280 + ... + 202523.

It is an arithmetic number, because the mean of its divisors is an integer number (32627124).

Almost surely, 2^451944966 is an apocalyptic number.

451944966 is an abundant number, since it is smaller than the sum of its proper divisors (592123002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451944966 is a wasteful number, since it uses less digits than its factorization.

451944966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402836.

The product of its digits is 933120, while the sum is 48.

The square root of 451944966 is about 21258.9972952630. The cubic root of 451944966 is about 767.4118795227.

The spelling of 451944966 in words is "four hundred fifty-one million, nine hundred forty-four thousand, nine hundred sixty-six".