2153600728 has 16 divisors (see below), whose sum is σ = 4114190880. Its totient is φ = 1056483168.

The previous prime is 2153600723. The next prime is 2153600737. The reversal of 2153600728 is 8270063512.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2153600693 and 2153600702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153600723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539200 + ... + 2540047.

It is an arithmetic number, because the mean of its divisors is an integer number (257136930).

Almost surely, 2^2153600728 is an apocalyptic number.

It is an amenable number.

2153600728 is a deficient number, since it is larger than the sum of its proper divisors (1960590152).

2153600728 is a wasteful number, since it uses less digits than its factorization.

2153600728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079306 (or 5079302 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2153600728 is about 46406.9038829353. The cubic root of 2153600728 is about 1291.3829944730.

The spelling of 2153600728 in words is "two billion, one hundred fifty-three million, six hundred thousand, seven hundred twenty-eight".