451794942720 has 432 divisors, whose sum is σ = 1712825805600. Its totient is φ = 109040762880.

The previous prime is 451794942713. The next prime is 451794942793. The reversal of 451794942720 is 27249497154.

451794942720 is a `hidden beast` number, since 4 + 5 + 179 + 49 + 427 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29011096 + ... + 29026664.

It is an arithmetic number, because the mean of its divisors is an integer number (3964874550).

Almost surely, 2^451794942720 is an apocalyptic number.

451794942720 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 451794942720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856412902800).

451794942720 is an abundant number, since it is smaller than the sum of its proper divisors (1261030862880).

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

451794942720 is a wasteful number, since it uses less digits than its factorization.

451794942720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15836 (or 15819 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 451794942720 in words is "four hundred fifty-one billion, seven hundred ninety-four million, nine hundred forty-two thousand, seven hundred twenty".