812582632080 has 80 divisors (see below), whose sum is σ = 2798895740160. Its totient is φ = 216688701312.

The previous prime is 812582632073. The next prime is 812582632151. The reversal of 812582632080 is 80236285218.

812582632080 is a `hidden beast` number, since 8 + 1 + 2 + 5 + 8 + 2 + 632 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188095672 + ... + 188099991.

It is an arithmetic number, because the mean of its divisors is an integer number (34986196752).

Almost surely, 2^812582632080 is an apocalyptic number.

812582632080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

812582632080 is an abundant number, since it is smaller than the sum of its proper divisors (1986313108080).

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

812582632080 is a wasteful number, since it uses less digits than its factorization.

812582632080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376195685 (or 376195673 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 812582632080 in words is "eight hundred twelve billion, five hundred eighty-two million, six hundred thirty-two thousand, eighty".