32776128460 has 24 divisors (see below), whose sum is σ = 68838769440. Its totient is φ = 13108756224.

The previous prime is 32776128457. The next prime is 32776128479. The reversal of 32776128460 is 6482167723.

It is a self number, because there is not a number n which added to its sum of digits gives 32776128460.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58852 + ... + 262708.

It is an arithmetic number, because the mean of its divisors is an integer number (2868282060).

Almost surely, 2^32776128460 is an apocalyptic number.

It is an amenable number.

32776128460 is an abundant number, since it is smaller than the sum of its proper divisors (36062640980).

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

32776128460 is a wasteful number, since it uses less digits than its factorization.

32776128460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211905 (or 211903 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 32776128460 in words is "thirty-two billion, seven hundred seventy-six million, one hundred twenty-eight thousand, four hundred sixty".