453464639331648 has 448 divisors, whose sum is σ = 1389474603417600. Its totient is φ = 127847584972800.

The previous prime is 453464639331647. The next prime is 453464639331661. The reversal of 453464639331648 is 846133936464354.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453464639331647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21926619868 + ... + 21926640548.

It is an arithmetic number, because the mean of its divisors is an integer number (3101505811200).

Almost surely, 2^{453464639331648} is an apocalyptic number.

453464639331648 is a gapful number since it is divisible by the number (48) 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 453464639331648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694737301708800).

453464639331648 is an abundant number, since it is smaller than the sum of its proper divisors (936009964085952).

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

453464639331648 is a wasteful number, since it uses less digits than its factorization.

453464639331648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21566 (or 21556 counting only the distinct ones).

The product of its digits is 1612431360, while the sum is 69.

The spelling of 453464639331648 in words is "four hundred fifty-three trillion, four hundred sixty-four billion, six hundred thirty-nine million, three hundred thirty-one thousand, six hundred forty-eight".