404448848 has 20 divisors (see below), whose sum is σ = 810641940. Its totient is φ = 195250944.

The previous prime is 404448833. The next prime is 404448871. The reversal of 404448848 is 848844404.

It can be written as a sum of positive squares in 2 ways, for example, as 194546704 + 209902144 = 13948^2 + 14488^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404448799 and 404448808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435365 + ... + 436292.

It is an arithmetic number, because the mean of its divisors is an integer number (40532097).

Almost surely, 2^404448848 is an apocalyptic number.

It is an amenable number.

404448848 is an abundant number, since it is smaller than the sum of its proper divisors (406193092).

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

404448848 is a wasteful number, since it uses less digits than its factorization.

404448848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871694 (or 871688 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The square root of 404448848 is about 20110.9136540337. The cubic root of 404448848 is about 739.5278507499.

The spelling of 404448848 in words is "four hundred four million, four hundred forty-eight thousand, eight hundred forty-eight".