268611804 has 72 divisors (see below), whose sum is σ = 705191760. Its totient is φ = 86107392.

The previous prime is 268611793. The next prime is 268611809. The reversal of 268611804 is 408116862.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268611809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476827 + ... + 477389.

It is an arithmetic number, because the mean of its divisors is an integer number (9794330).

Almost surely, 2^268611804 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 268611804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352595880).

268611804 is an abundant number, since it is smaller than the sum of its proper divisors (436579956).

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

268611804 is a wasteful number, since it uses less digits than its factorization.

268611804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 268611804 is about 16389.3808302815. The cubic root of 268611804 is about 645.2208077609.

The spelling of 268611804 in words is "two hundred sixty-eight million, six hundred eleven thousand, eight hundred four".