268981248 has 44 divisors (see below), whose sum is σ = 716941280. Its totient is φ = 89659392.

The previous prime is 268981243. The next prime is 268981249. The reversal of 268981248 is 842189862.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 268981197 and 268981206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268981241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40708 + ... + 46851.

It is an arithmetic number, because the mean of its divisors is an integer number (16294120).

Almost surely, 2^268981248 is an apocalyptic number.

It is an amenable number.

268981248 is an abundant number, since it is smaller than the sum of its proper divisors (447960032).

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

268981248 is an equidigital number, since it uses as much as digits as its factorization.

268981248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87582 (or 87564 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 268981248 is about 16400.6477920843. The cubic root of 268981248 is about 645.5164807375.

The spelling of 268981248 in words is "two hundred sixty-eight million, nine hundred eighty-one thousand, two hundred forty-eight".