449085636 has 36 divisors (see below), whose sum is σ = 1161592432. Its totient is φ = 146213424.

The previous prime is 449085629. The next prime is 449085641. The reversal of 449085636 is 636580944.

449085636 is a `hidden beast` number, since 4 + 4 + 9 + 0 + 8 + 5 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 449085591 and 449085600.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143506 + ... + 146601.

Almost surely, 2^449085636 is an apocalyptic number.

It is an amenable number.

449085636 is an abundant number, since it is smaller than the sum of its proper divisors (712506796).

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

449085636 is a wasteful number, since it uses less digits than its factorization.

449085636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290160 (or 290155 counting only the distinct ones).

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

The square root of 449085636 is about 21191.6407104311. The cubic root of 449085636 is about 765.7900539688.

The spelling of 449085636 in words is "four hundred forty-nine million, eighty-five thousand, six hundred thirty-six".