268301271820 has 12 divisors (see below), whose sum is σ = 563432670864. Its totient is φ = 107320508720.

The previous prime is 268301271787. The next prime is 268301271841. The reversal of 268301271820 is 28172103862.

It is a happy number.

It is a super-2 number, since 2×268301271820² (a number of 24 digits) contains 22 as substring.

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, 6707531776 + ... + 6707531815.

It is an arithmetic number, because the mean of its divisors is an integer number (46952722572).

Almost surely, 2^268301271820 is an apocalyptic number.

268301271820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268301271820 is an abundant number, since it is smaller than the sum of its proper divisors (295131399044).

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

268301271820 is a wasteful number, since it uses less digits than its factorization.

268301271820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415063600 (or 13415063598 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 268301271820 in words is "two hundred sixty-eight billion, three hundred one million, two hundred seventy-one thousand, eight hundred twenty".