32151968928 has 240 divisors, whose sum is σ = 98530629120. Its totient is φ = 10273651200.

The previous prime is 32151968923. The next prime is 32151968951. The reversal of 32151968928 is 82986915123.

32151968928 is a `hidden beast` number, since 3 + 21 + 519 + 6 + 89 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (32151968923) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8756533 + ... + 8760203.

It is an arithmetic number, because the mean of its divisors is an integer number (410544288).

Almost surely, 2^32151968928 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 32151968928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49265314560).

32151968928 is an abundant number, since it is smaller than the sum of its proper divisors (66378660192).

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

32151968928 is a wasteful number, since it uses less digits than its factorization.

32151968928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833 (or 3816 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 32151968928 in words is "thirty-two billion, one hundred fifty-one million, nine hundred sixty-eight thousand, nine hundred twenty-eight".