268371535536 has 240 divisors, whose sum is σ = 844736308416. Its totient is φ = 78917566464.

The previous prime is 268371535529. The next prime is 268371535571. The reversal of 268371535536 is 635535173862.

268371535536 is a `hidden beast` number, since 2 + 6 + 8 + 3 + 71 + 5 + 35 + 536 = 666.

268371535536 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73064196 + ... + 73067868.

Almost surely, 2^268371535536 is an apocalyptic number.

268371535536 is a gapful number since it is divisible by the number (26) 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 268371535536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422368154208).

268371535536 is an abundant number, since it is smaller than the sum of its proper divisors (576364772880).

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

268371535536 is a wasteful number, since it uses less digits than its factorization.

268371535536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420 (or 5411 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 54.

The spelling of 268371535536 in words is "two hundred sixty-eight billion, three hundred seventy-one million, five hundred thirty-five thousand, five hundred thirty-six".