268140082680 has 96 divisors (see below), whose sum is σ = 922717364400. Its totient is φ = 67297901568.

The previous prime is 268140082643. The next prime is 268140082723. The reversal of 268140082680 is 86280041862.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21900750 + ... + 21912989.

Almost surely, 2^268140082680 is an apocalyptic number.

268140082680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268140082680 is an abundant number, since it is smaller than the sum of its proper divisors (654577281720).

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

268140082680 is a wasteful number, since it uses less digits than its factorization.

268140082680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43813773 (or 43813766 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 268140082680 in words is "two hundred sixty-eight billion, one hundred forty million, eighty-two thousand, six hundred eighty".