258258244 has 12 divisors (see below), whose sum is σ = 452069100. Its totient is φ = 129095648.

The previous prime is 258258239. The next prime is 258258257. The reversal of 258258244 is 442852852.

258258244 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 245298244 + 12960000 = 15662^2 + 3600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 258258197 and 258258206.

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, 18762 + ... + 29470.

It is an arithmetic number, because the mean of its divisors is an integer number (37672425).

Almost surely, 2^258258244 is an apocalyptic number.

It is an amenable number.

258258244 is a deficient number, since it is larger than the sum of its proper divisors (193810856).

258258244 is a wasteful number, since it uses less digits than its factorization.

258258244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16742 (or 16740 counting only the distinct ones).

The product of its digits is 204800, while the sum is 40.

The square root of 258258244 is about 16070.4151782087. The cubic root of 258258244 is about 636.8220091265.

The spelling of 258258244 in words is "two hundred fifty-eight million, two hundred fifty-eight thousand, two hundred forty-four".