449505944 has 16 divisors (see below), whose sum is σ = 845374920. Its totient is φ = 224072640.

The previous prime is 449505923. The next prime is 449505949.

449505944 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×449505944² = 404111187382662272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 449505895 and 449505904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449505949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82229 + ... + 87524.

Almost surely, 2^449505944 is an apocalyptic number.

It is an amenable number.

449505944 is a deficient number, since it is larger than the sum of its proper divisors (395868976).

449505944 is a wasteful number, since it uses less digits than its factorization.

449505944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170090 (or 170086 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 449505944 is about 21201.5552259734. Note that the first 3 decimals coincide. The cubic root of 449505944 is about 766.0288854212.

The spelling of 449505944 in words is "four hundred forty-nine million, five hundred five thousand, nine hundred forty-four".