449442003 has 16 divisors (see below), whose sum is σ = 602729856. Its totient is φ = 297897600.

The previous prime is 449441983. The next prime is 449442043. The reversal of 449442003 is 300244944.

It is not a de Polignac number, because 449442003 - 2⁸ = 449441747 is a prime.

It is a super-2 number, since 2×449442003² = 403996228121304018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449442043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657700 + ... + 658382.

It is an arithmetic number, because the mean of its divisors is an integer number (37670616).

Almost surely, 2^449442003 is an apocalyptic number.

449442003 is a deficient number, since it is larger than the sum of its proper divisors (153287853).

449442003 is a wasteful number, since it uses less digits than its factorization.

449442003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 449442003 is about 21200.0472405134. The cubic root of 449442003 is about 765.9925618558.

Adding to 449442003 its reverse (300244944), we get a palindrome (749686947).

The spelling of 449442003 in words is "four hundred forty-nine million, four hundred forty-two thousand, three".