445489308 has 120 divisors (see below), whose sum is σ = 1278224640. Its totient is φ = 134174880.

The previous prime is 445489273. The next prime is 445489349. The reversal of 445489308 is 803984544.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 851535 + ... + 852057.

It is an arithmetic number, because the mean of its divisors is an integer number (10651872).

Almost surely, 2^445489308 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 445489308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639112320).

445489308 is an abundant number, since it is smaller than the sum of its proper divisors (832735332).

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

445489308 is a wasteful number, since it uses less digits than its factorization.

445489308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 445489308 is about 21106.6176352347. The cubic root of 445489308 is about 763.7403954280.

The spelling of 445489308 in words is "four hundred forty-five million, four hundred eighty-nine thousand, three hundred eight".