448277478 has 16 divisors (see below), whose sum is σ = 978060096. Its totient is φ = 135841640.

The previous prime is 448277443. The next prime is 448277483. The reversal of 448277478 is 874772844.

It is a self number, because there is not a number n which added to its sum of digits gives 448277478.

It is a congruent number.

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, 3395976 + ... + 3396107.

It is an arithmetic number, because the mean of its divisors is an integer number (61128756).

Almost surely, 2^448277478 is an apocalyptic number.

448277478 is an abundant number, since it is smaller than the sum of its proper divisors (529782618).

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

448277478 is a wasteful number, since it uses less digits than its factorization.

448277478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792099.

The product of its digits is 2809856, while the sum is 51.

The square root of 448277478 is about 21172.5642754958. The cubic root of 448277478 is about 765.3304156000.

The spelling of 448277478 in words is "four hundred forty-eight million, two hundred seventy-seven thousand, four hundred seventy-eight".