448946478 has 48 divisors (see below), whose sum is σ = 1025715600. Its totient is φ = 141523200.

The previous prime is 448946473. The next prime is 448946507. The reversal of 448946478 is 874649844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448946473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344428 + ... + 345728.

It is an arithmetic number, because the mean of its divisors is an integer number (21369075).

Almost surely, 2^448946478 is an apocalyptic number.

448946478 is an abundant number, since it is smaller than the sum of its proper divisors (576769122).

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

448946478 is a wasteful number, since it uses less digits than its factorization.

448946478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2334 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The square root of 448946478 is about 21188.3571331050. The cubic root of 448946478 is about 765.7109474370.

The spelling of 448946478 in words is "four hundred forty-eight million, nine hundred forty-six thousand, four hundred seventy-eight".