449633407 has 4 divisors (see below), whose sum is σ = 449677720. Its totient is φ = 449589096.

The previous prime is 449633389. The next prime is 449633491. The reversal of 449633407 is 704336944.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 449633407 - 2¹⁹ = 449109119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449633407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449633497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444 + ... + 30022.

It is an arithmetic number, because the mean of its divisors is an integer number (112419430).

Almost surely, 2^449633407 is an apocalyptic number.

449633407 is a deficient number, since it is larger than the sum of its proper divisors (44313).

449633407 is a wasteful number, since it uses less digits than its factorization.

449633407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44312.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 449633407 is about 21204.5609952199. The cubic root of 449633407 is about 766.1012842504.

The spelling of 449633407 in words is "four hundred forty-nine million, six hundred thirty-three thousand, four hundred seven".