268128274 has 16 divisors (see below), whose sum is σ = 413382816. Its totient is φ = 130356000.

The previous prime is 268128271. The next prime is 268128277. The reversal of 268128274 is 472821862.

It is an interprime number because it is at equal distance from previous prime (268128271) and next prime (268128277).

It is not an unprimeable number, because it can be changed into a prime (268128271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19849 + ... + 30499.

It is an arithmetic number, because the mean of its divisors is an integer number (25836426).

Almost surely, 2^268128274 is an apocalyptic number.

268128274 is a deficient number, since it is larger than the sum of its proper divisors (145254542).

268128274 is a wasteful number, since it uses less digits than its factorization.

268128274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001.

The product of its digits is 86016, while the sum is 40.

The square root of 268128274 is about 16374.6228658861. The cubic root of 268128274 is about 644.8334197146.

The spelling of 268128274 in words is "two hundred sixty-eight million, one hundred twenty-eight thousand, two hundred seventy-four".