446464668 has 48 divisors (see below), whose sum is σ = 1129093280. Its totient is φ = 136491264.

The previous prime is 446464663. The next prime is 446464687. The reversal of 446464668 is 866464644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446464663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15378 + ... + 33606.

Almost surely, 2^446464668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 446464668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564546640).

446464668 is an abundant number, since it is smaller than the sum of its proper divisors (682628612).

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

446464668 is a wasteful number, since it uses less digits than its factorization.

446464668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18406 (or 18404 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 48.

The square root of 446464668 is about 21129.7105517326. The cubic root of 446464668 is about 764.2973701461.

The spelling of 446464668 in words is "four hundred forty-six million, four hundred sixty-four thousand, six hundred sixty-eight".