268261100 has 36 divisors (see below), whose sum is σ = 597867984. Its totient is φ = 104402880.

The previous prime is 268261093. The next prime is 268261129. The reversal of 268261100 is 1162862.

It is a self number, because there is not a number n which added to its sum of digits gives 268261100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32552 + ... + 39951.

It is an arithmetic number, because the mean of its divisors is an integer number (16607444).

Almost surely, 2^268261100 is an apocalyptic number.

268261100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268261100 is an abundant number, since it is smaller than the sum of its proper divisors (329606884).

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

268261100 is a wasteful number, since it uses less digits than its factorization.

268261100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72554 (or 72547 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 268261100 is about 16378.6782128473. The cubic root of 268261100 is about 644.9398818234.

The spelling of 268261100 in words is "two hundred sixty-eight million, two hundred sixty-one thousand, one hundred".