3928928932160 has 28 divisors (see below), whose sum is σ = 9355762020468. Its totient is φ = 1571571572736.

The previous prime is 3928928932139. The next prime is 3928928932199. The reversal of 3928928932160 is 612398298293.

It can be written as a sum of positive squares in 2 ways, for example, as 2521896450304 + 1407032481856 = 1588048^2 + 1186184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3928928932093 and 3928928932102.

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, 6138951137 + ... + 6138951776.

Almost surely, 2^{3928928932160} is an apocalyptic number.

It is an amenable number.

3928928932160 is an abundant number, since it is smaller than the sum of its proper divisors (5426833088308).

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

3928928932160 is a wasteful number, since it uses less digits than its factorization.

3928928932160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12277902930 (or 12277902920 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 3928928932160 in words is "three trillion, nine hundred twenty-eight billion, nine hundred twenty-eight million, nine hundred thirty-two thousand, one hundred sixty".