449959503 has 24 divisors (see below), whose sum is σ = 704443392. Its totient is φ = 254707824.

The previous prime is 449959493. The next prime is 449959537. The reversal of 449959503 is 305959944.

It is not a de Polignac number, because 449959503 - 2⁴ = 449959487 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449957503) 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 in 23 ways as a sum of consecutive naturals, for example, 1426 + ... + 30032.

It is an arithmetic number, because the mean of its divisors is an integer number (29351808).

Almost surely, 2^449959503 is an apocalyptic number.

449959503 is a deficient number, since it is larger than the sum of its proper divisors (254483889).

449959503 is a wasteful number, since it uses less digits than its factorization.

449959503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28731 (or 28724 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 449959503 is about 21212.2488906763. The cubic root of 449959503 is about 766.2864441239.

The spelling of 449959503 in words is "four hundred forty-nine million, nine hundred fifty-nine thousand, five hundred three".