449805249 has 6 divisors (see below), whose sum is σ = 649718706. Its totient is φ = 299870160.

The previous prime is 449805247. The next prime is 449805269. The reversal of 449805249 is 942508944.

449805249 is a `hidden beast` number, since 4 + 49 + 80 + 524 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 411278400 + 38526849 = 20280^2 + 6207^2 .

It is not a de Polignac number, because 449805249 - 2¹ = 449805247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449805247) 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, 24989172 + ... + 24989189.

It is an arithmetic number, because the mean of its divisors is an integer number (108286451).

Almost surely, 2^449805249 is an apocalyptic number.

It is an amenable number.

449805249 is a deficient number, since it is larger than the sum of its proper divisors (199913457).

449805249 is a wasteful number, since it uses less digits than its factorization.

449805249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49978367 (or 49978364 counting only the distinct ones).

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

The square root of 449805249 is about 21208.6126137473. The cubic root of 449805249 is about 766.1988686434.

It can be divided in two parts, 449805 and 249, that added together give a palindrome (450054).

The spelling of 449805249 in words is "four hundred forty-nine million, eight hundred five thousand, two hundred forty-nine".