448761855 has 64 divisors (see below), whose sum is σ = 794787840. Its totient is φ = 215208576.

The previous prime is 448761839. The next prime is 448761871. The reversal of 448761855 is 558167844.

It is a Cunningham number, because it is equal to 21184²-1.

It is an interprime number because it is at equal distance from previous prime (448761839) and next prime (448761871).

It is not a de Polignac number, because 448761855 - 2⁴ = 448761839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1461612 + ... + 1461918.

It is an arithmetic number, because the mean of its divisors is an integer number (12418560).

Almost surely, 2^448761855 is an apocalyptic number.

448761855 is a deficient number, since it is larger than the sum of its proper divisors (346025985).

448761855 is a wasteful number, since it uses less digits than its factorization.

448761855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its digits is 1075200, while the sum is 48.

The square root of 448761855 is about 21183.9999763973. Note that the first 4 decimals coincide. The cubic root of 448761855 is about 765.6059703836.

The spelling of 448761855 in words is "four hundred forty-eight million, seven hundred sixty-one thousand, eight hundred fifty-five".