2196262728 has 128 divisors (see below), whose sum is σ = 6768576000. Its totient is φ = 654212160.

The previous prime is 2196262699. The next prime is 2196262729. The reversal of 2196262728 is 8272626912.

2196262728 is a `hidden beast` number, since 2 + 19 + 6 + 2 + 627 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (2196262729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132351 + ... + 148017.

It is an arithmetic number, because the mean of its divisors is an integer number (52879500).

Almost surely, 2^2196262728 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 2196262728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3384288000).

2196262728 is an abundant number, since it is smaller than the sum of its proper divisors (4572313272).

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

2196262728 is a wasteful number, since it uses less digits than its factorization.

2196262728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15752 (or 15742 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 2196262728 is about 46864.3012110498. The cubic root of 2196262728 is about 1299.8545651900.

The spelling of 2196262728 in words is "two billion, one hundred ninety-six million, two hundred sixty-two thousand, seven hundred twenty-eight".