448008069 has 4 divisors (see below), whose sum is σ = 597344096. Its totient is φ = 298672044.

The previous prime is 448008047. The next prime is 448008073. The reversal of 448008069 is 960800844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 448008069 - 2¹⁷ = 447876997 is a prime.

It is a super-2 number, since 2×448008069² = 401422459778217522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448508069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74668009 + ... + 74668014.

It is an arithmetic number, because the mean of its divisors is an integer number (149336024).

Almost surely, 2^448008069 is an apocalyptic number.

It is an amenable number.

448008069 is a deficient number, since it is larger than the sum of its proper divisors (149336027).

448008069 is a wasteful number, since it uses less digits than its factorization.

448008069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149336026.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 448008069 is about 21166.2010998667. The cubic root of 448008069 is about 765.1770669628.

The spelling of 448008069 in words is "four hundred forty-eight million, eight thousand, sixty-nine".