451956812 has 24 divisors (see below), whose sum is σ = 822700032. Its totient is φ = 217011600.

The previous prime is 451956763. The next prime is 451956839. The reversal of 451956812 is 218659154.

It is a self number, because there is not a number n which added to its sum of digits gives 451956812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333 + ... + 30155.

It is an arithmetic number, because the mean of its divisors is an integer number (34279168).

Almost surely, 2^451956812 is an apocalyptic number.

It is an amenable number.

451956812 is a deficient number, since it is larger than the sum of its proper divisors (370743220).

451956812 is a wasteful number, since it uses less digits than its factorization.

451956812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27989 (or 27987 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 451956812 is about 21259.2759048844. The cubic root of 451956812 is about 767.4185843816.

The spelling of 451956812 in words is "four hundred fifty-one million, nine hundred fifty-six thousand, eight hundred twelve".