448669872 has 90 divisors (see below), whose sum is σ = 1460679948. Its totient is φ = 128189376.

The previous prime is 448669841. The next prime is 448669883. The reversal of 448669872 is 278966844.

448669872 is a `hidden beast` number, since 4 + 486 + 6 + 98 + 72 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24738 + ... + 38849.

Almost surely, 2^448669872 is an apocalyptic number.

448669872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

448669872 is an abundant number, since it is smaller than the sum of its proper divisors (1012010076).

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

448669872 is a wasteful number, since it uses less digits than its factorization.

448669872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63615 (or 63599 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 448669872 is about 21181.8288162283. The cubic root of 448669872 is about 765.5536578967.

The spelling of 448669872 in words is "four hundred forty-eight million, six hundred sixty-nine thousand, eight hundred seventy-two".