449544924 has 48 divisors (see below), whose sum is σ = 1169713440. Its totient is φ = 149304960.

The previous prime is 449544917. The next prime is 449544937. The reversal of 449544924 is 429445944.

It is a self number, because there is not a number n which added to its sum of digits gives 449544924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22942 + ... + 37754.

It is an arithmetic number, because the mean of its divisors is an integer number (24369030).

Almost surely, 2^449544924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449544924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584856720).

449544924 is an abundant number, since it is smaller than the sum of its proper divisors (720168516).

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

449544924 is a wasteful number, since it uses less digits than its factorization.

449544924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15107 (or 15099 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 449544924 is about 21202.4744782301. The cubic root of 449544924 is about 766.0510274665.

The spelling of 449544924 in words is "four hundred forty-nine million, five hundred forty-four thousand, nine hundred twenty-four".