449831012 has 6 divisors (see below), whose sum is σ = 787204278. Its totient is φ = 224915504.

The previous prime is 449830993. The next prime is 449831027. The reversal of 449831012 is 210138944.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 448761856 + 1069156 = 21184^2 + 1034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 449831012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56228873 + ... + 56228880.

It is an arithmetic number, because the mean of its divisors is an integer number (131200713).

Almost surely, 2^449831012 is an apocalyptic number.

It is an amenable number.

449831012 is a deficient number, since it is larger than the sum of its proper divisors (337373266).

449831012 is a wasteful number, since it uses less digits than its factorization.

449831012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112457757 (or 112457755 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 449831012 is about 21209.2199762273. The cubic root of 449831012 is about 766.2134966071.

Adding to 449831012 its reverse (210138944), we get a palindrome (659969956).

The spelling of 449831012 in words is "four hundred forty-nine million, eight hundred thirty-one thousand, twelve".