268591503746 has 24 divisors (see below), whose sum is σ = 431196804864. Its totient is φ = 125435593080.

The previous prime is 268591503737. The next prime is 268591503749. The reversal of 268591503746 is 647305195862.

It is a junction number, because it is equal to n+sod(n) for n = 268591503691 and 268591503700.

It is not an unprimeable number, because it can be changed into a prime (268591503749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2568530 + ... + 2671053.

It is an arithmetic number, because the mean of its divisors is an integer number (17966533536).

It is a 1-persistent number, because it is pandigital, but 2⋅268591503746 = 537183007492 is not.

Almost surely, 2^268591503746 is an apocalyptic number.

268591503746 is a deficient number, since it is larger than the sum of its proper divisors (162605301118).

268591503746 is a wasteful number, since it uses less digits than its factorization.

268591503746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239694 (or 5239675 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 268591503746 in words is "two hundred sixty-eight billion, five hundred ninety-one million, five hundred three thousand, seven hundred forty-six".