268942516 has 24 divisors (see below), whose sum is σ = 500967936. Its totient is φ = 125892480.

The previous prime is 268942463. The next prime is 268942517. The reversal of 268942516 is 615249862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268942517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635 + ... + 23341.

It is an arithmetic number, because the mean of its divisors is an integer number (20873664).

Almost surely, 2^268942516 is an apocalyptic number.

It is an amenable number.

268942516 is a deficient number, since it is larger than the sum of its proper divisors (232025420).

268942516 is a wasteful number, since it uses less digits than its factorization.

268942516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20919 (or 20917 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 268942516 is about 16399.4669425564. The cubic root of 268942516 is about 645.4854954988.

The spelling of 268942516 in words is "two hundred sixty-eight million, nine hundred forty-two thousand, five hundred sixteen".