268028508 has 48 divisors (see below), whose sum is σ = 684552960. Its totient is φ = 80947200.

The previous prime is 268028491. The next prime is 268028543. The reversal of 268028508 is 805820862.

It is a super-2 number, since 2×268028508² = 143678562201412128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37788 + ... + 44316.

It is an arithmetic number, because the mean of its divisors is an integer number (14261520).

Almost surely, 2^268028508 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 268028508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342276480).

268028508 is an abundant number, since it is smaller than the sum of its proper divisors (416524452).

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

268028508 is a wasteful number, since it uses less digits than its factorization.

268028508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858 (or 6856 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 268028508 is about 16371.5762222212. The cubic root of 268028508 is about 644.7534325868.

The spelling of 268028508 in words is "two hundred sixty-eight million, twenty-eight thousand, five hundred eight".