268402263 has 8 divisors (see below), whose sum is σ = 362400000. Its totient is φ = 176669688.

The previous prime is 268402261. The next prime is 268402271. The reversal of 268402263 is 362204862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268402263 - 2¹ = 268402261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268402261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566013 + ... + 566486.

It is an arithmetic number, because the mean of its divisors is an integer number (45300000).

Almost surely, 2^268402263 is an apocalyptic number.

268402263 is a deficient number, since it is larger than the sum of its proper divisors (93997737).

268402263 is a wasteful number, since it uses less digits than its factorization.

268402263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132581.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 268402263 is about 16382.9869987130. The cubic root of 268402263 is about 645.0529876546.

The spelling of 268402263 in words is "two hundred sixty-eight million, four hundred two thousand, two hundred sixty-three".