32653987128 has 96 divisors (see below), whose sum is σ = 101249765760. Its totient is φ = 9313289280.

The previous prime is 32653987063. The next prime is 32653987139. The reversal of 32653987128 is 82178935623.

32653987128 is a `hidden beast` number, since 3 + 2 + 6 + 539 + 87 + 1 + 28 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 231051 + ... + 344517.

It is an arithmetic number, because the mean of its divisors is an integer number (1054685060).

Almost surely, 2^32653987128 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 32653987128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50624882880).

32653987128 is an abundant number, since it is smaller than the sum of its proper divisors (68595778632).

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

32653987128 is a wasteful number, since it uses less digits than its factorization.

32653987128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114057 (or 114050 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 32653987128 in words is "thirty-two billion, six hundred fifty-three million, nine hundred eighty-seven thousand, one hundred twenty-eight".