448639048 has 64 divisors (see below), whose sum is σ = 1022414400. Its totient is φ = 181735680.

The previous prime is 448639031. The next prime is 448639063. The reversal of 448639048 is 840936844.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 448638989 and 448639007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26415 + ... + 39937.

It is an arithmetic number, because the mean of its divisors is an integer number (15975225).

Almost surely, 2^448639048 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 448639048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511207200).

448639048 is an abundant number, since it is smaller than the sum of its proper divisors (573775352).

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

448639048 is a wasteful number, since it uses less digits than its factorization.

448639048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13582 (or 13578 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 448639048 is about 21181.1011989462. The cubic root of 448639048 is about 765.5361261004.

It can be divided in two parts, 4486 and 39048, that added together give a palindrome (43534).

The spelling of 448639048 in words is "four hundred forty-eight million, six hundred thirty-nine thousand, forty-eight".