451860056 has 16 divisors (see below), whose sum is σ = 847528440. Its totient is φ = 225852480.

The previous prime is 451860043. The next prime is 451860067. The reversal of 451860056 is 650068154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 451859998 and 451860025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20660 + ... + 36476.

Almost surely, 2^451860056 is an apocalyptic number.

It is an amenable number.

451860056 is a deficient number, since it is larger than the sum of its proper divisors (395668384).

451860056 is a wasteful number, since it uses less digits than its factorization.

451860056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19394 (or 19390 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 451860056 is about 21257.0001646516. Note that the first 3 decimals coincide. The cubic root of 451860056 is about 767.3638168685.

The spelling of 451860056 in words is "four hundred fifty-one million, eight hundred sixty thousand, fifty-six".