268923442 has 8 divisors (see below), whose sum is σ = 427113756. Its totient is φ = 126552192.

The previous prime is 268923427. The next prime is 268923451. The reversal of 268923442 is 244329862.

It can be written as a sum of positive squares in 2 ways, for example, as 210569121 + 58354321 = 14511^2 + 7639^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 268923395 and 268923404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3954723 + ... + 3954790.

Almost surely, 2^268923442 is an apocalyptic number.

268923442 is a deficient number, since it is larger than the sum of its proper divisors (158190314).

268923442 is a wasteful number, since it uses less digits than its factorization.

268923442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909532.

The product of its digits is 165888, while the sum is 40.

The square root of 268923442 is about 16398.8853889525. The cubic root of 268923442 is about 645.4702353835.

The spelling of 268923442 in words is "two hundred sixty-eight million, nine hundred twenty-three thousand, four hundred forty-two".