268339543500 has 192 divisors, whose sum is σ = 913803770880. Its totient is φ = 59908262400.

The previous prime is 268339543499. The next prime is 268339543531. The reversal of 268339543500 is 5345933862.

It is a super-2 number, since 2×268339543500² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268339543500.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154336 + ... + 748664.

It is an arithmetic number, because the mean of its divisors is an integer number (4759394640).

Almost surely, 2^268339543500 is an apocalyptic number.

268339543500 is a gapful number since it is divisible by the number (20) 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 268339543500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456901885440).

268339543500 is an abundant number, since it is smaller than the sum of its proper divisors (645464227380).

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

268339543500 is a wasteful number, since it uses less digits than its factorization.

268339543500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594401 (or 594389 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 268339543500 in words is "two hundred sixty-eight billion, three hundred thirty-nine million, five hundred forty-three thousand, five hundred".