449398752 has 96 divisors (see below), whose sum is σ = 1308908160. Its totient is φ = 133854720.

The previous prime is 449398721. The next prime is 449398753. The reversal of 449398752 is 257893944.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 449398695 and 449398704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449398753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58698 + ... + 65910.

It is an arithmetic number, because the mean of its divisors is an integer number (13634460).

Almost surely, 2^449398752 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 449398752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654454080).

449398752 is an abundant number, since it is smaller than the sum of its proper divisors (859509408).

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

449398752 is a wasteful number, since it uses less digits than its factorization.

449398752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296 (or 7288 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 449398752 is about 21199.0271474896. The cubic root of 449398752 is about 765.9679899001.

The spelling of 449398752 in words is "four hundred forty-nine million, three hundred ninety-eight thousand, seven hundred fifty-two".