268740883188 has 96 divisors (see below), whose sum is σ = 721286737920. Its totient is φ = 86440404960.

The previous prime is 268740883121. The next prime is 268740883217. The reversal of 268740883188 is 881388047862.

It is a super-2 number, since 2×268740883188² (a number of 24 digits) 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 31 ways as a sum of consecutive naturals, for example, 1046095 + ... + 1277417.

It is an arithmetic number, because the mean of its divisors is an integer number (7513403520).

Almost surely, 2^268740883188 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 268740883188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360643368960).

268740883188 is an abundant number, since it is smaller than the sum of its proper divisors (452545854732).

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

268740883188 is a wasteful number, since it uses less digits than its factorization.

268740883188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231714 (or 231706 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 63.

The spelling of 268740883188 in words is "two hundred sixty-eight billion, seven hundred forty million, eight hundred eighty-three thousand, one hundred eighty-eight".