268658855517270 has 64 divisors (see below), whose sum is σ = 659749770187200. Its totient is φ = 69994957555200.

The previous prime is 268658855517229. The next prime is 268658855517271. The reversal of 268658855517270 is 72715558856862.

It is a junction number, because it is equal to n+sod(n) for n = 268658855517192 and 268658855517201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268658855517271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492372021 + ... + 492917360.

It is an arithmetic number, because the mean of its divisors is an integer number (10308590159175).

Almost surely, 2^{268658855517270} is an apocalyptic number.

268658855517270 is an abundant number, since it is smaller than the sum of its proper divisors (391090914669930).

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

268658855517270 is a wasteful number, since it uses less digits than its factorization.

268658855517270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985289601.

The product of its (nonzero) digits is 2257920000, while the sum is 75.

The spelling of 268658855517270 in words is "two hundred sixty-eight trillion, six hundred fifty-eight billion, eight hundred fifty-five million, five hundred seventeen thousand, two hundred seventy".