451233868 has 12 divisors (see below), whose sum is σ = 789814872. Its totient is φ = 225572480.

The previous prime is 451233851. The next prime is 451233889. The reversal of 451233868 is 868332154.

It is a super-2 number, since 2×451233868² = 407224007260482848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451233868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24171 + ... + 38557.

It is an arithmetic number, because the mean of its divisors is an integer number (65817906).

Almost surely, 2^451233868 is an apocalyptic number.

It is an amenable number.

451233868 is a deficient number, since it is larger than the sum of its proper divisors (338581004).

451233868 is a wasteful number, since it uses less digits than its factorization.

451233868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22232 (or 22230 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 451233868 is about 21242.2660749742. The cubic root of 451233868 is about 767.0091818851.

The spelling of 451233868 in words is "four hundred fifty-one million, two hundred thirty-three thousand, eight hundred sixty-eight".