448851906 has 12 divisors (see below), whose sum is σ = 972512502. Its totient is φ = 149617296.

The previous prime is 448851869. The next prime is 448851919. The reversal of 448851906 is 609158844.

It can be written as a sum of positive squares in only one way, i.e., 370370025 + 78481881 = 19245^2 + 8859^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12468091 + ... + 12468126.

Almost surely, 2^448851906 is an apocalyptic number.

448851906 is an abundant number, since it is smaller than the sum of its proper divisors (523660596).

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

448851906 is a wasteful number, since it uses less digits than its factorization.

448851906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24936225 (or 24936222 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 448851906 is about 21186.1253182360. The cubic root of 448851906 is about 765.6571771810.

The spelling of 448851906 in words is "four hundred forty-eight million, eight hundred fifty-one thousand, nine hundred six".