449424528 has 160 divisors (see below), whose sum is σ = 1371340800. Its totient is φ = 124177920.

The previous prime is 449424523. The next prime is 449424581. The reversal of 449424528 is 825424944.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 449424528.

It is not an unprimeable number, because it can be changed into a prime (449424523) 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 31 ways as a sum of consecutive naturals, for example, 2352913 + ... + 2353103.

It is an arithmetic number, because the mean of its divisors is an integer number (8570880).

Almost surely, 2^449424528 is an apocalyptic number.

449424528 is a gapful number since it is divisible by the number (48) 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 449424528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685670400).

449424528 is an abundant number, since it is smaller than the sum of its proper divisors (921916272).

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

449424528 is a wasteful number, since it uses less digits than its factorization.

449424528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 399 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 449424528 is about 21199.6350911991. The cubic root of 449424528 is about 765.9826340688.

The spelling of 449424528 in words is "four hundred forty-nine million, four hundred twenty-four thousand, five hundred twenty-eight".