448649685 has 48 divisors (see below), whose sum is σ = 879802560. Its totient is φ = 217520640.

The previous prime is 448649683. The next prime is 448649689. The reversal of 448649685 is 586946844.

It is not a de Polignac number, because 448649685 - 2¹ = 448649683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448649683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3420 + ... + 30149.

It is an arithmetic number, because the mean of its divisors is an integer number (18329220).

Almost surely, 2^448649685 is an apocalyptic number.

448649685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

448649685 is a deficient number, since it is larger than the sum of its proper divisors (431152875).

448649685 is a wasteful number, since it uses less digits than its factorization.

448649685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33600 (or 33588 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 448649685 is about 21181.3522939401. The cubic root of 448649685 is about 765.5421762079.

The spelling of 448649685 in words is "four hundred forty-eight million, six hundred forty-nine thousand, six hundred eighty-five".