448681011 has 16 divisors (see below), whose sum is σ = 638837760. Its totient is φ = 279488160.

The previous prime is 448681007. The next prime is 448681043. The reversal of 448681011 is 110186844.

It is not a de Polignac number, because 448681011 - 2² = 448681007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448681061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80485 + ... + 85878.

It is an arithmetic number, because the mean of its divisors is an integer number (39927360).

Almost surely, 2^448681011 is an apocalyptic number.

448681011 is a deficient number, since it is larger than the sum of its proper divisors (190156749).

448681011 is a wasteful number, since it uses less digits than its factorization.

448681011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166426.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 448681011 is about 21182.0917522326. The cubic root of 448681011 is about 765.5599932389.

The spelling of 448681011 in words is "four hundred forty-eight million, six hundred eighty-one thousand, eleven".