268490485 has 4 divisors (see below), whose sum is σ = 322188588. Its totient is φ = 214792384.

The previous prime is 268490447. The next prime is 268490491. The reversal of 268490485 is 584094862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207619281 + 60871204 = 14409^2 + 7802^2 .

It is a cyclic number.

It is not a de Polignac number, because 268490485 - 2⁷ = 268490357 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 26849044 + ... + 26849053.

It is an arithmetic number, because the mean of its divisors is an integer number (80547147).

Almost surely, 2^268490485 is an apocalyptic number.

It is an amenable number.

268490485 is a deficient number, since it is larger than the sum of its proper divisors (53698103).

268490485 is an equidigital number, since it uses as much as digits as its factorization.

268490485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53698102.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 268490485 is about 16385.6792657491. The cubic root of 268490485 is about 645.1236547571.

The spelling of 268490485 in words is "two hundred sixty-eight million, four hundred ninety thousand, four hundred eighty-five".