448045569 has 12 divisors (see below), whose sum is σ = 648086400. Its totient is φ = 298277304.

The previous prime is 448045567. The next prime is 448045597. The reversal of 448045569 is 965540844.

448045569 is a `hidden beast` number, since 4 + 4 + 80 + 4 + 5 + 569 = 666.

It is not a de Polignac number, because 448045569 - 2¹ = 448045567 is a prime.

It is a super-2 number, since 2×448045569² = 401489663801067522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (448045567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28149 + ... + 41090.

It is an arithmetic number, because the mean of its divisors is an integer number (54007200).

Almost surely, 2^448045569 is an apocalyptic number.

It is an amenable number.

448045569 is a deficient number, since it is larger than the sum of its proper divisors (200040831).

448045569 is a wasteful number, since it uses less digits than its factorization.

448045569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69964 (or 69961 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 448045569 is about 21167.0869275864. The cubic root of 448045569 is about 765.1984157892.

The spelling of 448045569 in words is "four hundred forty-eight million, forty-five thousand, five hundred sixty-nine".