449248032 has 120 divisors (see below), whose sum is σ = 1364090112. Its totient is φ = 144892800.

The previous prime is 449248013. The next prime is 449248039. The reversal of 449248032 is 230842944.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (449248039) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77557 + ... + 83147.

Almost surely, 2^449248032 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 449248032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682045056).

449248032 is an abundant number, since it is smaller than the sum of its proper divisors (914842080).

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

449248032 is a wasteful number, since it uses less digits than its factorization.

449248032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644 (or 5627 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 449248032 is about 21195.4719692674. The cubic root of 449248032 is about 765.8823498432.

The spelling of 449248032 in words is "four hundred forty-nine million, two hundred forty-eight thousand, thirty-two".