32805580780 has 48 divisors (see below), whose sum is σ = 78798182400. Its totient is φ = 11238372288.

The previous prime is 32805580733. The next prime is 32805580789. The reversal of 32805580780 is 8708550823.

It is a super-2 number, since 2×32805580780² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32805580780.

It is not an unprimeable number, because it can be changed into a prime (32805580789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75421 + ... + 267019.

It is an arithmetic number, because the mean of its divisors is an integer number (1641628800).

Almost surely, 2^32805580780 is an apocalyptic number.

It is an amenable number.

32805580780 is an abundant number, since it is smaller than the sum of its proper divisors (45992601620).

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

32805580780 is a wasteful number, since it uses less digits than its factorization.

32805580780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192838 (or 192836 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 32805580780 in words is "thirty-two billion, eight hundred five million, five hundred eighty thousand, seven hundred eighty".