449454906 has 40 divisors (see below), whose sum is σ = 1008431424. Its totient is φ = 149622120.

The previous prime is 449454883. The next prime is 449454911. The reversal of 449454906 is 609454944.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 175471 + ... + 178013.

Almost surely, 2^449454906 is an apocalyptic number.

449454906 is an abundant number, since it is smaller than the sum of its proper divisors (558976518).

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

449454906 is a wasteful number, since it uses less digits than its factorization.

449454906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 449454906 is about 21200.3515536889. The cubic root of 449454906 is about 765.9998920619. Note that the first 3 decimals are identical.

The spelling of 449454906 in words is "four hundred forty-nine million, four hundred fifty-four thousand, nine hundred six".