268180281 has 8 divisors (see below), whose sum is σ = 397304160. Its totient is φ = 178786836.

The previous prime is 268180267. The next prime is 268180309. The reversal of 268180281 is 182081862.

It is not a de Polignac number, because 268180281 - 2¹⁴ = 268163897 is a prime.

It is a super-2 number, since 2×268180281² = 143841326234477922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268180201) 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, 4966275 + ... + 4966328.

It is an arithmetic number, because the mean of its divisors is an integer number (49663020).

Almost surely, 2^268180281 is an apocalyptic number.

It is an amenable number.

268180281 is a deficient number, since it is larger than the sum of its proper divisors (129123879).

268180281 is an equidigital number, since it uses as much as digits as its factorization.

268180281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9932612 (or 9932606 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 268180281 is about 16376.2108254626. The cubic root of 268180281 is about 644.8751083228.

The spelling of 268180281 in words is "two hundred sixty-eight million, one hundred eighty thousand, two hundred eighty-one".