449159972 has 12 divisors (see below), whose sum is σ = 786374400. Its totient is φ = 224481576.

The previous prime is 449159929. The next prime is 449160037. The reversal of 449159972 is 279951944.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 449159972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13808 + ... + 32999.

It is an arithmetic number, because the mean of its divisors is an integer number (65531200).

Almost surely, 2^449159972 is an apocalyptic number.

It is an amenable number.

449159972 is a deficient number, since it is larger than the sum of its proper divisors (337214428).

449159972 is a wasteful number, since it uses less digits than its factorization.

449159972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49210 (or 49208 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 449159972 is about 21193.3945369778. The cubic root of 449159972 is about 765.8323047292.

The spelling of 449159972 in words is "four hundred forty-nine million, one hundred fifty-nine thousand, nine hundred seventy-two".