450326721600 has 1008 divisors, whose sum is σ = 1952477354880. Its totient is φ = 96148684800.

The previous prime is 450326721587. The next prime is 450326721631. The reversal of 450326721600 is 6127623054.

450326721600 is a `hidden beast` number, since 4 + 5 + 0 + 3 + 26 + 7 + 21 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 139807990 + ... + 139811210.

Almost surely, 2^450326721600 is an apocalyptic number.

450326721600 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 450326721600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (976238677440).

450326721600 is an abundant number, since it is smaller than the sum of its proper divisors (1502150633280).

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

450326721600 is a wasteful number, since it uses less digits than its factorization.

450326721600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 450326721600 in words is "four hundred fifty billion, three hundred twenty-six million, seven hundred twenty-one thousand, six hundred".