445358648 has 96 divisors (see below), whose sum is σ = 1019543040. Its totient is φ = 181621440.

The previous prime is 445358633. The next prime is 445358653. The reversal of 445358648 is 846853544.

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 23 ways as a sum of consecutive naturals, for example, 813911 + ... + 814457.

It is an arithmetic number, because the mean of its divisors is an integer number (10620240).

Almost surely, 2^445358648 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 445358648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509771520).

445358648 is an abundant number, since it is smaller than the sum of its proper divisors (574184392).

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

445358648 is a wasteful number, since it uses less digits than its factorization.

445358648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 654 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 47.

The square root of 445358648 is about 21103.5221704814. The cubic root of 445358648 is about 763.6657209252.

The spelling of 445358648 in words is "four hundred forty-five million, three hundred fifty-eight thousand, six hundred forty-eight".