449403552 has 120 divisors (see below), whose sum is σ = 1423458036. Its totient is φ = 138267648.

The previous prime is 449403547. The next prime is 449403553. The reversal of 449403552 is 255304944.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 407878416 + 41525136 = 20196^2 + 6444^2 .

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 (449403553) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 27028 + ... + 40364.

Almost surely, 2^449403552 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 449403552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711729018).

449403552 is an abundant number, since it is smaller than the sum of its proper divisors (974054484).

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

449403552 is a wasteful number, since it uses less digits than its factorization.

449403552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13372 (or 13355 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 449403552 is about 21199.1403599297. The cubic root of 449403552 is about 765.9707169758.

The spelling of 449403552 in words is "four hundred forty-nine million, four hundred three thousand, five hundred fifty-two".