805020448 has 24 divisors (see below), whose sum is σ = 1678113612. Its totient is φ = 378832896.

The previous prime is 805020413. The next prime is 805020449. The reversal of 805020448 is 844020508.

It can be written as a sum of positive squares in 2 ways, for example, as 803609104 + 1411344 = 28348^2 + 1188^2 .

It is not an unprimeable number, because it can be changed into a prime (805020449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739365 + ... + 740452.

Almost surely, 2^805020448 is an apocalyptic number.

It is an amenable number.

805020448 is an abundant number, since it is smaller than the sum of its proper divisors (873093164).

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

805020448 is a wasteful number, since it uses less digits than its factorization.

805020448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479844 (or 1479836 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 805020448 is about 28372.8822645850. The cubic root of 805020448 is about 930.2556232611.

The spelling of 805020448 in words is "eight hundred five million, twenty thousand, four hundred forty-eight".