445506216 has 48 divisors (see below), whose sum is σ = 1183153440. Its totient is φ = 139764480.

The previous prime is 445506211. The next prime is 445506223. The reversal of 445506216 is 612605544.

It is not an unprimeable number, because it can be changed into a prime (445506211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25180 + ... + 39051.

It is an arithmetic number, because the mean of its divisors is an integer number (24649030).

Almost surely, 2^445506216 is an apocalyptic number.

It is an amenable number.

445506216 is an abundant number, since it is smaller than the sum of its proper divisors (737647224).

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

445506216 is a wasteful number, since it uses less digits than its factorization.

445506216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64274 (or 64253 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 445506216 is about 21107.0181693199. The cubic root of 445506216 is about 763.7500575823.

The spelling of 445506216 in words is "four hundred forty-five million, five hundred six thousand, two hundred sixteen".