449782880 has 48 divisors (see below), whose sum is σ = 1064644560. Its totient is φ = 179569152.

The previous prime is 449782847. The next prime is 449782891. The reversal of 449782880 is 88287944.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91526 + ... + 96314.

It is an arithmetic number, because the mean of its divisors is an integer number (22180095).

Almost surely, 2^449782880 is an apocalyptic number.

449782880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449782880 is an abundant number, since it is smaller than the sum of its proper divisors (614861680).

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

449782880 is a wasteful number, since it uses less digits than its factorization.

449782880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391 (or 5383 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 449782880 is about 21208.0852506774. The cubic root of 449782880 is about 766.1861673046.

The spelling of 449782880 in words is "four hundred forty-nine million, seven hundred eighty-two thousand, eight hundred eighty".