448289680 has 40 divisors (see below), whose sum is σ = 1050504192. Its totient is φ = 177899904.

The previous prime is 448289657. The next prime is 448289683. The reversal of 448289680 is 86982844.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (448289683) 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, 11902 + ... + 32221.

Almost surely, 2^448289680 is an apocalyptic number.

448289680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

448289680 is an abundant number, since it is smaller than the sum of its proper divisors (602214512).

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

448289680 is a wasteful number, since it uses less digits than its factorization.

448289680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44263 (or 44257 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 448289680 is about 21172.8524294673. The cubic root of 448289680 is about 765.3373595707.

The spelling of 448289680 in words is "four hundred forty-eight million, two hundred eighty-nine thousand, six hundred eighty".