268443396 has 240 divisors, whose sum is σ = 840115584. Its totient is φ = 73903104.

The previous prime is 268443361. The next prime is 268443397. The reversal of 268443396 is 693344862.

It is not an unprimeable number, because it can be changed into a prime (268443397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1646811 + ... + 1646973.

Almost surely, 2^268443396 is an apocalyptic number.

268443396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268443396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420057792).

268443396 is an abundant number, since it is smaller than the sum of its proper divisors (571672188).

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

268443396 is a wasteful number, since it uses less digits than its factorization.

268443396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 221 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 268443396 is about 16384.2423077785. The cubic root of 268443396 is about 645.0859377111.

The spelling of 268443396 in words is "two hundred sixty-eight million, four hundred forty-three thousand, three hundred ninety-six".