268638026 has 16 divisors (see below), whose sum is σ = 412540128. Its totient is φ = 131149200.

The previous prime is 268638023. The next prime is 268638059. The reversal of 268638026 is 620836862.

It is not an unprimeable number, because it can be changed into a prime (268638023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16361 + ... + 28371.

It is an arithmetic number, because the mean of its divisors is an integer number (25783758).

Almost surely, 2^268638026 is an apocalyptic number.

268638026 is a deficient number, since it is larger than the sum of its proper divisors (143902102).

268638026 is a wasteful number, since it uses less digits than its factorization.

268638026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12277.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 268638026 is about 16390.1807799670. The cubic root of 268638026 is about 645.2418026555.

The spelling of 268638026 in words is "two hundred sixty-eight million, six hundred thirty-eight thousand, twenty-six".