449454872 has 8 divisors (see below), whose sum is σ = 842727900. Its totient is φ = 224727432.

The previous prime is 449454869. The next prime is 449454883. The reversal of 449454872 is 278454944.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28090922 + ... + 28090937.

Almost surely, 2^449454872 is an apocalyptic number.

It is an amenable number.

449454872 is a deficient number, since it is larger than the sum of its proper divisors (393273028).

449454872 is a wasteful number, since it uses less digits than its factorization.

449454872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56181865 (or 56181861 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 47.

The square root of 449454872 is about 21200.3507518154. The cubic root of 449454872 is about 765.9998727466. Note that the first 3 decimals are identical.

The spelling of 449454872 in words is "four hundred forty-nine million, four hundred fifty-four thousand, eight hundred seventy-two".