449925280 has 96 divisors (see below), whose sum is σ = 1231663104. Its totient is φ = 152119296.

The previous prime is 449925277. The next prime is 449925319. The reversal of 449925280 is 82529944.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79009 + ... + 84511.

It is an arithmetic number, because the mean of its divisors is an integer number (12829824).

Almost surely, 2^449925280 is an apocalyptic number.

449925280 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 449925280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615831552).

449925280 is an abundant number, since it is smaller than the sum of its proper divisors (781737824).

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

449925280 is a wasteful number, since it uses less digits than its factorization.

449925280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598 (or 5590 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 449925280 is about 21211.4421951927. The cubic root of 449925280 is about 766.2670162378.

The spelling of 449925280 in words is "four hundred forty-nine million, nine hundred twenty-five thousand, two hundred eighty".