451441768 has 16 divisors (see below), whose sum is σ = 864463680. Its totient is φ = 220918128.

The previous prime is 451441657. The next prime is 451441789. The reversal of 451441768 is 867144154.

It is a self number, because there is not a number n which added to its sum of digits gives 451441768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599946 + ... + 600697.

It is an arithmetic number, because the mean of its divisors is an integer number (54028980).

Almost surely, 2^451441768 is an apocalyptic number.

It is an amenable number.

451441768 is a deficient number, since it is larger than the sum of its proper divisors (413021912).

451441768 is a wasteful number, since it uses less digits than its factorization.

451441768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200696 (or 1200692 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 451441768 is about 21247.1590571540. The cubic root of 451441768 is about 767.1269602233.

The spelling of 451441768 in words is "four hundred fifty-one million, four hundred forty-one thousand, seven hundred sixty-eight".