449818812 has 24 divisors (see below), whose sum is σ = 1166197200. Its totient is φ = 149939568.

The previous prime is 449818807. The next prime is 449818823. The reversal of 449818812 is 218818944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2082387 + ... + 2082602.

It is an arithmetic number, because the mean of its divisors is an integer number (48591550).

Almost surely, 2^449818812 is an apocalyptic number.

It is an amenable number.

449818812 is an abundant number, since it is smaller than the sum of its proper divisors (716378388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449818812 is a wasteful number, since it uses less digits than its factorization.

449818812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165002 (or 4164994 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 449818812 is about 21208.9323635114. The cubic root of 449818812 is about 766.2065696435.

The spelling of 449818812 in words is "four hundred forty-nine million, eight hundred eighteen thousand, eight hundred twelve".