449635520 has 112 divisors (see below), whose sum is σ = 1123724448. Its totient is φ = 171171840.

The previous prime is 449635493. The next prime is 449635523. The reversal of 449635520 is 25536944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449635523) 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 15 ways as a sum of consecutive naturals, for example, 563762 + ... + 564558.

It is an arithmetic number, because the mean of its divisors is an integer number (10033254).

Almost surely, 2^449635520 is an apocalyptic number.

449635520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449635520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561862224).

449635520 is an abundant number, since it is smaller than the sum of its proper divisors (674088928).

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

449635520 is a wasteful number, since it uses less digits than its factorization.

449635520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 449635520 is about 21204.6108193478. The cubic root of 449635520 is about 766.1024843166.

The spelling of 449635520 in words is "four hundred forty-nine million, six hundred thirty-five thousand, five hundred twenty".