268140205 has 16 divisors (see below), whose sum is σ = 330220800. Its totient is φ = 208896640.

The previous prime is 268140203. The next prime is 268140227. The reversal of 268140205 is 502041862.

It is not a de Polignac number, because 268140205 - 2¹ = 268140203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268140203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171216 + ... + 172774.

It is an arithmetic number, because the mean of its divisors is an integer number (20638800).

Almost surely, 2^268140205 is an apocalyptic number.

It is an amenable number.

268140205 is a deficient number, since it is larger than the sum of its proper divisors (62080595).

268140205 is a wasteful number, since it uses less digits than its factorization.

268140205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 268140205 is about 16374.9871755675. The cubic root of 268140205 is about 644.8429840341.

The spelling of 268140205 in words is "two hundred sixty-eight million, one hundred forty thousand, two hundred five".