2040668928 has 216 divisors, whose sum is σ = 6218485728. Its totient is φ = 642318336.

The previous prime is 2040668909. The next prime is 2040668939. The reversal of 2040668928 is 8298660402.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5140026 + ... + 5140422.

Almost surely, 2^2040668928 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 2040668928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109242864).

2040668928 is an abundant number, since it is smaller than the sum of its proper divisors (4177816800).

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

2040668928 is a wasteful number, since it uses less digits than its factorization.

2040668928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 2040668928 is about 45173.7637130226. The cubic root of 2040668928 is about 1268.4037497946.

The spelling of 2040668928 in words is "two billion, forty million, six hundred sixty-eight thousand, nine hundred twenty-eight".