445722368 has 216 divisors, whose sum is σ = 1177491168. Its totient is φ = 163897344.

The previous prime is 445722353. The next prime is 445722377. The reversal of 445722368 is 863227544.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8409830 + ... + 8409882.

It is an arithmetic number, because the mean of its divisors is an integer number (5451348).

Almost surely, 2^445722368 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 445722368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588745584).

445722368 is an abundant number, since it is smaller than the sum of its proper divisors (731768800).

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

445722368 is a wasteful number, since it uses less digits than its factorization.

445722368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 94 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 445722368 is about 21112.1379305839. The cubic root of 445722368 is about 763.8735571016.

The spelling of 445722368 in words is "four hundred forty-five million, seven hundred twenty-two thousand, three hundred sixty-eight".