32128451108672 has 28 divisors (see below), whose sum is σ = 63925819868196. Its totient is φ = 16021157913600.

The previous prime is 32128451108647. The next prime is 32128451108707. The reversal of 32128451108672 is 27680115482123.

It can be written as a sum of positive squares in 2 ways, for example, as 18433833119296 + 13694617989376 = 4293464^2 + 3700624^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 32128451108672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672907829 + ... + 672955572.

Almost surely, 2^{32128451108672} is an apocalyptic number.

32128451108672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32128451108672 is a deficient number, since it is larger than the sum of its proper divisors (31797368759524).

32128451108672 is a wasteful number, since it uses less digits than its factorization.

32128451108672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345863786 (or 1345863776 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 32128451108672 in words is "thirty-two trillion, one hundred twenty-eight billion, four hundred fifty-one million, one hundred eight thousand, six hundred seventy-two".