268751328 has 24 divisors (see below), whose sum is σ = 705472488. Its totient is φ = 89583744.

The previous prime is 268751281. The next prime is 268751341. The reversal of 268751328 is 823157862.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 268751328.

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, 1399651 + ... + 1399842.

It is an arithmetic number, because the mean of its divisors is an integer number (29394687).

Almost surely, 2^268751328 is an apocalyptic number.

It is an amenable number.

268751328 is an abundant number, since it is smaller than the sum of its proper divisors (436721160).

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

268751328 is a wasteful number, since it uses less digits than its factorization.

268751328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799506 (or 2799498 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 268751328 is about 16393.6368143252. The cubic root of 268751328 is about 645.3325032812.

It can be divided in two parts, 26875 and 1328, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 268751328 in words is "two hundred sixty-eight million, seven hundred fifty-one thousand, three hundred twenty-eight".