2453132728 has 16 divisors (see below), whose sum is σ = 4655042280. Its totient is φ = 1211788128.

The previous prime is 2453132723. The next prime is 2453132729. The reversal of 2453132728 is 8272313542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453132723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846575 + ... + 1847902.

Almost surely, 2^2453132728 is an apocalyptic number.

It is an amenable number.

2453132728 is a deficient number, since it is larger than the sum of its proper divisors (2201909552).

2453132728 is a wasteful number, since it uses less digits than its factorization.

2453132728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694566 (or 3694562 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 2453132728 is about 49529.1099051861. The cubic root of 2453132728 is about 1348.6740942525.

The spelling of 2453132728 in words is "two billion, four hundred fifty-three million, one hundred thirty-two thousand, seven hundred twenty-eight".