448566291 has 6 divisors (see below), whose sum is σ = 647929100. Its totient is φ = 299044188.

The previous prime is 448566289. The next prime is 448566341. The reversal of 448566291 is 192665844.

It is not a de Polignac number, because 448566291 - 2¹ = 448566289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448566211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24920341 + ... + 24920358.

Almost surely, 2^448566291 is an apocalyptic number.

448566291 is a deficient number, since it is larger than the sum of its proper divisors (199362809).

448566291 is a wasteful number, since it uses less digits than its factorization.

448566291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49840705 (or 49840702 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 448566291 is about 21179.3836312580. The cubic root of 448566291 is about 765.4947408462.

The spelling of 448566291 in words is "four hundred forty-eight million, five hundred sixty-six thousand, two hundred ninety-one".