449545944 has 32 divisors (see below), whose sum is σ = 1124529840. Its totient is φ = 149760000.

The previous prime is 449545919. The next prime is 449545949.

449545944 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×449545944² = 404183111533702272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 449545893 and 449545902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449545949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45444 + ... + 54444.

Almost surely, 2^449545944 is an apocalyptic number.

It is an amenable number.

449545944 is an abundant number, since it is smaller than the sum of its proper divisors (674983896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449545944 is a wasteful number, since it uses less digits than its factorization.

449545944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091 (or 11087 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 449545944 is about 21202.4985320127. The cubic root of 449545944 is about 766.0516068460.

The spelling of 449545944 in words is "four hundred forty-nine million, five hundred forty-five thousand, nine hundred forty-four".