448899836 has 72 divisors (see below), whose sum is σ = 1013791968. Its totient is φ = 170121600.

The previous prime is 448899827. The next prime is 448899859. The reversal of 448899836 is 638998844.

It is a super-2 number, since 2×448899836² = 403022125521653792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123566 + ... + 127146.

It is an arithmetic number, because the mean of its divisors is an integer number (14080444).

Almost surely, 2^448899836 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 448899836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506895984).

448899836 is an abundant number, since it is smaller than the sum of its proper divisors (564892132).

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

448899836 is a wasteful number, since it uses less digits than its factorization.

448899836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3638 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 59.

The square root of 448899836 is about 21187.2564528775. The cubic root of 448899836 is about 765.6844294082.

The spelling of 448899836 in words is "four hundred forty-eight million, eight hundred ninety-nine thousand, eight hundred thirty-six".