268940860 has 12 divisors (see below), whose sum is σ = 564775848. Its totient is φ = 107576336.

The previous prime is 268940857. The next prime is 268940869. The reversal of 268940860 is 68049862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268940869) 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 3 ways as a sum of consecutive naturals, for example, 6723502 + ... + 6723541.

It is an arithmetic number, because the mean of its divisors is an integer number (47064654).

Almost surely, 2^268940860 is an apocalyptic number.

268940860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268940860 is an abundant number, since it is smaller than the sum of its proper divisors (295834988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268940860 is a wasteful number, since it uses less digits than its factorization.

268940860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13447052 (or 13447050 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 268940860 is about 16399.4164530327. The cubic root of 268940860 is about 645.4841706480.

The spelling of 268940860 in words is "two hundred sixty-eight million, nine hundred forty thousand, eight hundred sixty".