449306452 has 36 divisors (see below), whose sum is σ = 946938720. Its totient is φ = 182226672.

The previous prime is 449306399. The next prime is 449306453. The reversal of 449306452 is 254603944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449306453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488449 + ... + 489367.

Almost surely, 2^449306452 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 449306452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473469360).

449306452 is an abundant number, since it is smaller than the sum of its proper divisors (497632268).

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

449306452 is an equidigital number, since it uses as much as digits as its factorization.

449306452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 449306452 is about 21196.8500490049. The cubic root of 449306452 is about 765.9155467295.

The spelling of 449306452 in words is "four hundred forty-nine million, three hundred six thousand, four hundred fifty-two".