268335747142 has 16 divisors (see below), whose sum is σ = 419561564400. Its totient is φ = 128552525920.

The previous prime is 268335747137. The next prime is 268335747233. The reversal of 268335747142 is 241747533862.

It is a super-3 number, since 3×268335747142³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 268335747142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17650717 + ... + 17665912.

It is an arithmetic number, because the mean of its divisors is an integer number (26222597775).

Almost surely, 2^268335747142 is an apocalyptic number.

268335747142 is a deficient number, since it is larger than the sum of its proper divisors (151225817258).

268335747142 is a wasteful number, since it uses less digits than its factorization.

268335747142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35316791.

The product of its digits is 6773760, while the sum is 52.

The spelling of 268335747142 in words is "two hundred sixty-eight billion, three hundred thirty-five million, seven hundred forty-seven thousand, one hundred forty-two".