451547873280 has 1080 divisors, whose sum is σ = 1888039782720. Its totient is φ = 99420733440.

The previous prime is 451547873263. The next prime is 451547873303. The reversal of 451547873280 is 82378745154.

451547873280 is a `hidden beast` number, since 4 + 5 + 1 + 547 + 8 + 73 + 28 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1047674665 + ... + 1047675095.

It is an arithmetic number, because the mean of its divisors is an integer number (1748184984).

Almost surely, 2^451547873280 is an apocalyptic number.

451547873280 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 451547873280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944019891360).

451547873280 is an abundant number, since it is smaller than the sum of its proper divisors (1436491909440).

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

451547873280 is a wasteful number, since it uses less digits than its factorization.

451547873280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 451547873280 in words is "four hundred fifty-one billion, five hundred forty-seven million, eight hundred seventy-three thousand, two hundred eighty".