268040140 has 12 divisors (see below), whose sum is σ = 562884336. Its totient is φ = 107216048.

The previous prime is 268040131. The next prime is 268040189. The reversal of 268040140 is 41040862.

268040140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 6700984 + ... + 6701023.

It is an arithmetic number, because the mean of its divisors is an integer number (46907028).

Almost surely, 2^268040140 is an apocalyptic number.

268040140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268040140 is an abundant number, since it is smaller than the sum of its proper divisors (294844196).

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

268040140 is a wasteful number, since it uses less digits than its factorization.

268040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13402016 (or 13402014 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 268040140 is about 16371.9314682172. The cubic root of 268040140 is about 644.7627595342.

The spelling of 268040140 in words is "two hundred sixty-eight million, forty thousand, one hundred forty".