445605444216 has 48 divisors (see below), whose sum is σ = 1220408186400. Its totient is φ = 146866211712.

The previous prime is 445605444211. The next prime is 445605444233. The reversal of 445605444216 is 612444506544.

445605444216 is a `hidden beast` number, since 4 + 4 + 5 + 60 + 544 + 42 + 1 + 6 = 666.

445605444216 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445605444211) 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, 34763056 + ... + 34775871.

It is an arithmetic number, because the mean of its divisors is an integer number (25425170550).

Almost surely, 2^445605444216 is an apocalyptic number.

It is an amenable number.

445605444216 is an abundant number, since it is smaller than the sum of its proper divisors (774802742184).

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

445605444216 is a wasteful number, since it uses less digits than its factorization.

445605444216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69539028 (or 69539021 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 445605444216 in words is "four hundred forty-five billion, six hundred five million, four hundred forty-four thousand, two hundred sixteen".