448521912 has 24 divisors (see below), whose sum is σ = 1214747040. Its totient is φ = 149507280.

The previous prime is 448521877. The next prime is 448521929. The reversal of 448521912 is 219125844.

448521912 is a `hidden beast` number, since 4 + 48 + 521 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3114664 + ... + 3114807.

It is an arithmetic number, because the mean of its divisors is an integer number (50614460).

Almost surely, 2^448521912 is an apocalyptic number.

It is an amenable number.

448521912 is an abundant number, since it is smaller than the sum of its proper divisors (766225128).

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

448521912 is a wasteful number, since it uses less digits than its factorization.

448521912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229483 (or 6229476 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 448521912 is about 21178.3359119644. The cubic root of 448521912 is about 765.4694952194.

It can be divided in two parts, 44852 and 1912, that added together give a palindrome (46764).

The spelling of 448521912 in words is "four hundred forty-eight million, five hundred twenty-one thousand, nine hundred twelve".