446808768 has 56 divisors (see below), whose sum is σ = 1351068672. Its totient is φ = 127659264.

The previous prime is 446808763. The next prime is 446808779. The reversal of 446808768 is 867808644.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 446808768.

It is not an unprimeable number, because it can be changed into a prime (446808763) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 164880 + ... + 167567.

Almost surely, 2^446808768 is an apocalyptic number.

446808768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

446808768 is an abundant number, since it is smaller than the sum of its proper divisors (904259904).

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

446808768 is a wasteful number, since it uses less digits than its factorization.

446808768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332469 (or 332459 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The square root of 446808768 is about 21137.8515464557. The cubic root of 446808768 is about 764.4936732414.

The spelling of 446808768 in words is "four hundred forty-six million, eight hundred eight thousand, seven hundred sixty-eight".