268431359 has 12 divisors (see below), whose sum is σ = 313645464. Its totient is φ = 229060944.

The previous prime is 268431353. The next prime is 268431407. The reversal of 268431359 is 953134862.

268431359 is nontrivially palindromic in base 16.

It is a de Polignac number, because none of the positive numbers 2^k-268431359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268431353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944 + ... + 23189.

It is an arithmetic number, because the mean of its divisors is an integer number (26137122).

Almost surely, 2^268431359 is an apocalyptic number.

268431359 is a deficient number, since it is larger than the sum of its proper divisors (45214105).

268431359 is a wasteful number, since it uses less digits than its factorization.

268431359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24374 (or 24367 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 268431359 is about 16383.8749690053. The cubic root of 268431359 is about 645.0762956840.

It can be divided in two parts, 2684 and 31359, that added together give a palindrome (34043).

The spelling of 268431359 in words is "two hundred sixty-eight million, four hundred thirty-one thousand, three hundred fifty-nine".