268439683700 has 36 divisors (see below), whose sum is σ = 582578527692. Its totient is φ = 107364000000.

The previous prime is 268439683667. The next prime is 268439683709. The reversal of 268439683700 is 7386934862.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 474019984 + 267965663716 = 21772^2 + 517654^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268439683709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789950 + ... + 1077450.

Almost surely, 2^268439683700 is an apocalyptic number.

268439683700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268439683700 is an abundant number, since it is smaller than the sum of its proper divisors (314138843992).

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

268439683700 is a wasteful number, since it uses less digits than its factorization.

268439683700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296852 (or 296845 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 268439683700 in words is "two hundred sixty-eight billion, four hundred thirty-nine million, six hundred eighty-three thousand, seven hundred".