445332216 has 32 divisors (see below), whose sum is σ = 1272378240. Its totient is φ = 127237728.

The previous prime is 445332197. The next prime is 445332247. The reversal of 445332216 is 612233544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325226 + ... + 1325561.

It is an arithmetic number, because the mean of its divisors is an integer number (39761820).

Almost surely, 2^445332216 is an apocalyptic number.

It is an amenable number.

445332216 is an abundant number, since it is smaller than the sum of its proper divisors (827046024).

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

445332216 is a wasteful number, since it uses less digits than its factorization.

445332216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650803 (or 2650799 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 445332216 is about 21102.8959150160. The cubic root of 445332216 is about 763.6506127933.

The spelling of 445332216 in words is "four hundred forty-five million, three hundred thirty-two thousand, two hundred sixteen".