448471854 has 48 divisors (see below), whose sum is σ = 1026415104. Its totient is φ = 141296400.

The previous prime is 448471853. The next prime is 448471867. The reversal of 448471854 is 458174844.

It is a super-2 number, since 2×448471854² = 402254007660394632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448471853) 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, 14649 + ... + 33339.

It is an arithmetic number, because the mean of its divisors is an integer number (21383648).

Almost surely, 2^448471854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448471854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513207552).

448471854 is an abundant number, since it is smaller than the sum of its proper divisors (577943250).

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

448471854 is a wasteful number, since it uses less digits than its factorization.

448471854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18773 (or 18770 counting only the distinct ones).

The product of its digits is 573440, while the sum is 45.

The square root of 448471854 is about 21177.1540580882. The cubic root of 448471854 is about 765.4410170139.

The spelling of 448471854 in words is "four hundred forty-eight million, four hundred seventy-one thousand, eight hundred fifty-four".