268940364 has 96 divisors (see below), whose sum is σ = 823603200. Its totient is φ = 66173760.

The previous prime is 268940363. The next prime is 268940369. The reversal of 268940364 is 463049862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (268940363) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9897 + ... + 25215.

It is an arithmetic number, because the mean of its divisors is an integer number (8579200).

Almost surely, 2^268940364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268940364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411801600).

268940364 is an abundant number, since it is smaller than the sum of its proper divisors (554662836).

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

268940364 is a wasteful number, since it uses less digits than its factorization.

268940364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15363 (or 15361 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 268940364 is about 16399.4013305364. The cubic root of 268940364 is about 645.4837738317.

The spelling of 268940364 in words is "two hundred sixty-eight million, nine hundred forty thousand, three hundred sixty-four".