268075140 has 24 divisors (see below), whose sum is σ = 750610560. Its totient is φ = 71486688.

The previous prime is 268075139. The next prime is 268075141. The reversal of 268075140 is 41570862.

It is an interprime number because it is at equal distance from previous prime (268075139) and next prime (268075141).

It is not an unprimeable number, because it can be changed into a prime (268075141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2233900 + ... + 2234019.

It is an arithmetic number, because the mean of its divisors is an integer number (31275440).

Almost surely, 2^268075140 is an apocalyptic number.

268075140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268075140 is an abundant number, since it is smaller than the sum of its proper divisors (482535420).

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

268075140 is a wasteful number, since it uses less digits than its factorization.

268075140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467931 (or 4467929 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 268075140 is about 16373.0003359189. Note that the first 3 decimals coincide. The cubic root of 268075140 is about 644.7908221401.

The spelling of 268075140 in words is "two hundred sixty-eight million, seventy-five thousand, one hundred forty".