454392798720 has 640 divisors, whose sum is σ = 1834324310016. Its totient is φ = 93497327616.

The previous prime is 454392798719. The next prime is 454392798767. The reversal of 454392798720 is 27897293454.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 21009352 + ... + 21030968.

Almost surely, 2^454392798720 is an apocalyptic number.

454392798720 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 454392798720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917162155008).

454392798720 is an abundant number, since it is smaller than the sum of its proper divisors (1379931511296).

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

454392798720 is a wasteful number, since it uses less digits than its factorization.

454392798720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21690 (or 21674 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 454392798720 in words is "four hundred fifty-four billion, three hundred ninety-two million, seven hundred ninety-eight thousand, seven hundred twenty".