448522872 has 96 divisors (see below), whose sum is σ = 1308615120. Its totient is φ = 127733760.

The previous prime is 448522871. The next prime is 448522891. The reversal of 448522872 is 278225844.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448522871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678222 + ... + 678882.

Almost surely, 2^448522872 is an apocalyptic number.

448522872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448522872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654307560).

448522872 is an abundant number, since it is smaller than the sum of its proper divisors (860092248).

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

448522872 is a wasteful number, since it uses less digits than its factorization.

448522872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1250 counting only the distinct ones).

The product of its digits is 286720, while the sum is 42.

The square root of 448522872 is about 21178.3585766225. The cubic root of 448522872 is about 765.4700413467.

The spelling of 448522872 in words is "four hundred forty-eight million, five hundred twenty-two thousand, eight hundred seventy-two".