268136296280 has 16 divisors (see below), whose sum is σ = 603306666720. Its totient is φ = 107254518496.

The previous prime is 268136296271. The next prime is 268136296283. The reversal of 268136296280 is 82692631862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268136296283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351703664 + ... + 3351703743.

It is an arithmetic number, because the mean of its divisors is an integer number (37706666670).

Almost surely, 2^268136296280 is an apocalyptic number.

268136296280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268136296280 is an abundant number, since it is smaller than the sum of its proper divisors (335170370440).

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

268136296280 is a wasteful number, since it uses less digits than its factorization.

268136296280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703407418 (or 6703407414 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 268136296280 in words is "two hundred sixty-eight billion, one hundred thirty-six million, two hundred ninety-six thousand, two hundred eighty".