268519442 has 12 divisors (see below), whose sum is σ = 407711310. Its totient is φ = 132635328.

The previous prime is 268519441. The next prime is 268519453. The reversal of 268519442 is 244915862.

268519442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 267355201 + 1164241 = 16351^2 + 1079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268519442.

It is not an unprimeable number, because it can be changed into a prime (268519441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4034 + ... + 23522.

Almost surely, 2^268519442 is an apocalyptic number.

268519442 is a deficient number, since it is larger than the sum of its proper divisors (139191868).

268519442 is an equidigital number, since it uses as much as digits as its factorization.

268519442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19657 (or 19574 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 268519442 is about 16386.5628488710. The cubic root of 268519442 is about 645.1468463600.

The spelling of 268519442 in words is "two hundred sixty-eight million, five hundred nineteen thousand, four hundred forty-two".