451270534860 has 216 divisors, whose sum is σ = 1455193630800. Its totient is φ = 113175779328.

The previous prime is 451270534859. The next prime is 451270534867. The reversal of 451270534860 is 68435072154.

451270534860 is a `hidden beast` number, since 4 + 51 + 2 + 7 + 0 + 534 + 8 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (451270534867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 99199866 + ... + 99204414.

It is an arithmetic number, because the mean of its divisors is an integer number (6737007550).

Almost surely, 2^451270534860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451270534860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727596815400).

451270534860 is an abundant number, since it is smaller than the sum of its proper divisors (1003923095940).

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

451270534860 is a wasteful number, since it uses less digits than its factorization.

451270534860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6505 (or 6483 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 451270534860 in words is "four hundred fifty-one billion, two hundred seventy million, five hundred thirty-four thousand, eight hundred sixty".