449549880 has 256 divisors, whose sum is σ = 1584576000. Its totient is φ = 101025792.

The previous prime is 449549873. The next prime is 449549897. The reversal of 449549880 is 88945944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 859299 + ... + 859821.

It is an arithmetic number, because the mean of its divisors is an integer number (6189750).

Almost surely, 2^449549880 is an apocalyptic number.

449549880 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 449549880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792288000).

449549880 is an abundant number, since it is smaller than the sum of its proper divisors (1135026120).

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

449549880 is a wasteful number, since it uses less digits than its factorization.

449549880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 449549880 is about 21202.5913510590. The cubic root of 449549880 is about 766.0538425614.

The spelling of 449549880 in words is "four hundred forty-nine million, five hundred forty-nine thousand, eight hundred eighty".