2529730228 has 12 divisors (see below), whose sum is σ = 4431320740. Its totient is φ = 1263638592.

The previous prime is 2529730193. The next prime is 2529730241. The reversal of 2529730228 is 8220379252.

2529730228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2177342244 + 352387984 = 46662^2 + 18772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301983 + ... + 310246.

Almost surely, 2^2529730228 is an apocalyptic number.

It is an amenable number.

2529730228 is a deficient number, since it is larger than the sum of its proper divisors (1901590512).

2529730228 is a wasteful number, since it uses less digits than its factorization.

2529730228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613266 (or 613264 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2529730228 is about 50296.4236104318. The cubic root of 2529730228 is about 1362.5676385129.

The spelling of 2529730228 in words is "two billion, five hundred twenty-nine million, seven hundred thirty thousand, two hundred twenty-eight".