268640102 has 8 divisors (see below), whose sum is σ = 403512096. Its totient is φ = 134136072.

The previous prime is 268640087. The next prime is 268640111. The reversal of 268640102 is 201046862.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90158 + ... + 93089.

It is an arithmetic number, because the mean of its divisors is an integer number (50439012).

Almost surely, 2^268640102 is an apocalyptic number.

268640102 is a deficient number, since it is larger than the sum of its proper divisors (134871994).

268640102 is a wasteful number, since it uses less digits than its factorization.

268640102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183982.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 268640102 is about 16390.2441104457. The cubic root of 268640102 is about 645.2434647664.

Adding to 268640102 its reverse (201046862), we get a palindrome (469686964).

The spelling of 268640102 in words is "two hundred sixty-eight million, six hundred forty thousand, one hundred two".