448668020 has 24 divisors (see below), whose sum is σ = 964116384. Its totient is φ = 175293216.

The previous prime is 448667981. The next prime is 448668023. The reversal of 448668020 is 20866844.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448668023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259994 + ... + 261713.

It is an arithmetic number, because the mean of its divisors is an integer number (40171516).

Almost surely, 2^448668020 is an apocalyptic number.

It is an amenable number.

448668020 is an abundant number, since it is smaller than the sum of its proper divisors (515448364).

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

448668020 is a wasteful number, since it uses less digits than its factorization.

448668020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521759 (or 521757 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 448668020 is about 21181.7850994669. The cubic root of 448668020 is about 765.5526045555.

The spelling of 448668020 in words is "four hundred forty-eight million, six hundred sixty-eight thousand, twenty".