449254881 has 12 divisors (see below), whose sum is σ = 649112100. Its totient is φ = 299416320.

The previous prime is 449254853. The next prime is 449254907. The reversal of 449254881 is 188452944.

It can be written as a sum of positive squares in 2 ways, for example, as 210830400 + 238424481 = 14520^2 + 15441^2 .

It is not a de Polignac number, because 449254881 - 2⁹ = 449254369 is a prime.

It is a super-2 number, since 2×449254881² = 403659896204648322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449254831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46345 + ... + 55193.

It is an arithmetic number, because the mean of its divisors is an integer number (54092675).

Almost surely, 2^449254881 is an apocalyptic number.

It is an amenable number.

449254881 is a deficient number, since it is larger than the sum of its proper divisors (199857219).

449254881 is a wasteful number, since it uses less digits than its factorization.

449254881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14496 (or 14493 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 449254881 is about 21195.6335361791. The cubic root of 449254881 is about 765.8862419037.

The spelling of 449254881 in words is "four hundred forty-nine million, two hundred fifty-four thousand, eight hundred eighty-one".