268744608 has 96 divisors (see below), whose sum is σ = 855126720. Its totient is φ = 81434880.

The previous prime is 268744603. The next prime is 268744631. The reversal of 268744608 is 806447862.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (268744603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4635 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (8907570).

Almost surely, 2^268744608 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 268744608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427563360).

268744608 is an abundant number, since it is smaller than the sum of its proper divisors (586382112).

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

268744608 is a wasteful number, since it uses less digits than its factorization.

268744608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28307 (or 28293 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 268744608 is about 16393.4318554719. The cubic root of 268744608 is about 645.3271244916.

The spelling of 268744608 in words is "two hundred sixty-eight million, seven hundred forty-four thousand, six hundred eight".