449271801 has 24 divisors (see below), whose sum is σ = 749589984. Its totient is φ = 256268160.

The previous prime is 449271791. The next prime is 449271829. The reversal of 449271801 is 108172944.

It is not a de Polignac number, because 449271801 - 2⁹ = 449271289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449271881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131791 + ... + 135156.

It is an arithmetic number, because the mean of its divisors is an integer number (31232916).

Almost surely, 2^449271801 is an apocalyptic number.

It is an amenable number.

449271801 is a deficient number, since it is larger than the sum of its proper divisors (300318183).

449271801 is a wasteful number, since it uses less digits than its factorization.

449271801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266981 (or 266978 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 449271801 is about 21196.0326712335. The cubic root of 449271801 is about 765.8958568113.

The spelling of 449271801 in words is "four hundred forty-nine million, two hundred seventy-one thousand, eight hundred one".