258138338202 has 12 divisors (see below), whose sum is σ = 559299732810. Its totient is φ = 86046112728.

The previous prime is 258138338153. The next prime is 258138338287. The reversal of 258138338202 is 202833831852.

258138338202 is a `hidden beast` number, since 2 + 5 + 81 + 38 + 338 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213186281841 + 44952056361 = 461721^2 + 212019^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7170509377 + ... + 7170509412.

Almost surely, 2^258138338202 is an apocalyptic number.

258138338202 is an abundant number, since it is smaller than the sum of its proper divisors (301161394608).

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

258138338202 is a wasteful number, since it uses less digits than its factorization.

258138338202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14341018797 (or 14341018794 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 258138338202 in words is "two hundred fifty-eight billion, one hundred thirty-eight million, three hundred thirty-eight thousand, two hundred two".