449669505 has 32 divisors (see below), whose sum is σ = 745747200. Its totient is φ = 231098112.

The previous prime is 449669461. The next prime is 449669531. The reversal of 449669505 is 505966944.

It is not a de Polignac number, because 449669505 - 2⁹ = 449668993 is a prime.

It is a super-3 number, since 3×449669505³ (a number of 27 digits) contains 333 as substring.

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, 420111 + ... + 421179.

It is an arithmetic number, because the mean of its divisors is an integer number (23304600).

Almost surely, 2^449669505 is an apocalyptic number.

It is an amenable number.

449669505 is a deficient number, since it is larger than the sum of its proper divisors (296077695).

449669505 is a wasteful number, since it uses less digits than its factorization.

449669505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 449669505 is about 21205.4121629361. The cubic root of 449669505 is about 766.1217853844.

The spelling of 449669505 in words is "four hundred forty-nine million, six hundred sixty-nine thousand, five hundred five".