449366645 has 32 divisors (see below), whose sum is σ = 666048768. Its totient is φ = 283419648.

The previous prime is 449366633. The next prime is 449366651. The reversal of 449366645 is 546663944.

It is a cyclic number.

It is not a de Polignac number, because 449366645 - 2¹⁰ = 449365621 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 449366645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138077 + ... + 141293.

It is an arithmetic number, because the mean of its divisors is an integer number (20814024).

Almost surely, 2^449366645 is an apocalyptic number.

It is an amenable number.

449366645 is a deficient number, since it is larger than the sum of its proper divisors (216682123).

449366645 is a wasteful number, since it uses less digits than its factorization.

449366645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549.

The product of its digits is 1866240, while the sum is 47.

The square root of 449366645 is about 21198.2698586465. The cubic root of 449366645 is about 765.9497481049.

The spelling of 449366645 in words is "four hundred forty-nine million, three hundred sixty-six thousand, six hundred forty-five".