445083660 has 336 divisors, whose sum is σ = 1652616000. Its totient is φ = 100590336.

The previous prime is 445083641. The next prime is 445083673. The reversal of 445083660 is 66380544.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5000896 + ... + 5000984.

It is an arithmetic number, because the mean of its divisors is an integer number (4918500).

Almost surely, 2^445083660 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 445083660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826308000).

445083660 is an abundant number, since it is smaller than the sum of its proper divisors (1207532340).

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

445083660 is an equidigital number, since it uses as much as digits as its factorization.

445083660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 445083660 is about 21097.0059487122. The cubic root of 445083660 is about 763.5085126868.

The spelling of 445083660 in words is "four hundred forty-five million, eighty-three thousand, six hundred sixty".