449486566 has 8 divisors (see below), whose sum is σ = 675675000. Its totient is φ = 224261568.

The previous prime is 449486561. The next prime is 449486621. The reversal of 449486566 is 665684944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×449486566³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449486561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239691 + ... + 241558.

It is an arithmetic number, because the mean of its divisors is an integer number (84459375).

Almost surely, 2^449486566 is an apocalyptic number.

449486566 is a deficient number, since it is larger than the sum of its proper divisors (226188434).

449486566 is a wasteful number, since it uses less digits than its factorization.

449486566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481718.

The product of its digits is 4976640, while the sum is 52.

The square root of 449486566 is about 21201.0982262712. The cubic root of 449486566 is about 766.0178775422.

The spelling of 449486566 in words is "four hundred forty-nine million, four hundred eighty-six thousand, five hundred sixty-six".