2152728306 has 32 divisors (see below), whose sum is σ = 4818273600. Its totient is φ = 712411200.

The previous prime is 2152728301. The next prime is 2152728313. The reversal of 2152728306 is 6038272512.

It is not an unprimeable number, because it can be changed into a prime (2152728301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135895 + ... + 150906.

It is an arithmetic number, because the mean of its divisors is an integer number (150571050).

Almost surely, 2^2152728306 is an apocalyptic number.

2152728306 is an abundant number, since it is smaller than the sum of its proper divisors (2665545294).

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

2152728306 is a wasteful number, since it uses less digits than its factorization.

2152728306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286951 (or 286945 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2152728306 is about 46397.5032302386. The cubic root of 2152728306 is about 1291.2085915011.

The spelling of 2152728306 in words is "two billion, one hundred fifty-two million, seven hundred twenty-eight thousand, three hundred six".