448981536 has 48 divisors (see below), whose sum is σ = 1194740064. Its totient is φ = 147608064.

The previous prime is 448981517. The next prime is 448981579. The reversal of 448981536 is 635189844.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25026 + ... + 39041.

It is an arithmetic number, because the mean of its divisors is an integer number (24890418).

Almost surely, 2^448981536 is an apocalyptic number.

It is an amenable number.

448981536 is an abundant number, since it is smaller than the sum of its proper divisors (745758528).

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

448981536 is a wasteful number, since it uses less digits than its factorization.

448981536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64153 (or 64145 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 448981536 is about 21189.1844109206. The cubic root of 448981536 is about 765.7308782432.

The spelling of 448981536 in words is "four hundred forty-eight million, nine hundred eighty-one thousand, five hundred thirty-six".