268855860 has 192 divisors, whose sum is σ = 949906944. Its totient is φ = 55296000.

The previous prime is 268855859. The next prime is 268855877. The reversal of 268855860 is 68558862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 223260 + ... + 224460.

It is an arithmetic number, because the mean of its divisors is an integer number (4947432).

Almost surely, 2^268855860 is an apocalyptic number.

268855860 is a gapful number since it is divisible by the number (20) 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 268855860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474953472).

268855860 is an abundant number, since it is smaller than the sum of its proper divisors (681051084).

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

268855860 is a wasteful number, since it uses less digits than its factorization.

268855860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The square root of 268855860 is about 16396.8246926044. The cubic root of 268855860 is about 645.4161607321.

The spelling of 268855860 in words is "two hundred sixty-eight million, eight hundred fifty-five thousand, eight hundred sixty".