450078720 has 576 divisors, whose sum is σ = 1882258560. Its totient is φ = 90832896.

The previous prime is 450078709. The next prime is 450078773. The reversal of 450078720 is 27870054.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 19568629 + ... + 19568651.

It is an arithmetic number, because the mean of its divisors is an integer number (3267810).

Almost surely, 2^450078720 is an apocalyptic number.

450078720 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 450078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941129280).

450078720 is an abundant number, since it is smaller than the sum of its proper divisors (1432179840).

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

450078720 is a wasteful number, since it uses less digits than its factorization.

450078720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 450078720 is about 21215.0588026524. The cubic root of 450078720 is about 766.3541141427.

The spelling of 450078720 in words is "four hundred fifty million, seventy-eight thousand, seven hundred twenty".