258080305306 has 4 divisors (see below), whose sum is σ = 387120457962. Its totient is φ = 129040152652.

The previous prime is 258080305283. The next prime is 258080305321. The reversal of 258080305306 is 603503080852.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 251010018081 + 7070287225 = 501009^2 + 84085^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64520076325 + ... + 64520076328.

Almost surely, 2^258080305306 is an apocalyptic number.

258080305306 is a deficient number, since it is larger than the sum of its proper divisors (129040152656).

258080305306 is a wasteful number, since it uses less digits than its factorization.

258080305306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129040152655.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 258080305306 in words is "two hundred fifty-eight billion, eighty million, three hundred five thousand, three hundred six".