449809006 has 4 divisors (see below), whose sum is σ = 674713512. Its totient is φ = 224904502.

The previous prime is 449808923. The next prime is 449809007. The reversal of 449809006 is 600908944.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 449809006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449809007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112452250 + ... + 112452253.

It is an arithmetic number, because the mean of its divisors is an integer number (168678378).

Almost surely, 2^449809006 is an apocalyptic number.

449809006 is a deficient number, since it is larger than the sum of its proper divisors (224904506).

449809006 is a wasteful number, since it uses less digits than its factorization.

449809006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224904505.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 449809006 is about 21208.7011860698. The cubic root of 449809006 is about 766.2010018637.

The spelling of 449809006 in words is "four hundred forty-nine million, eight hundred nine thousand, six".