268485050556 has 144 divisors (see below), whose sum is σ = 722575945728. Its totient is φ = 83764800000.

The previous prime is 268485050507. The next prime is 268485050567. The reversal of 268485050556 is 655050584862.

It is a happy number.

268485050556 is a `hidden beast` number, since 2 + 6 + 8 + 4 + 85 + 0 + 5 + 0 + 556 = 666.

268485050556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 161445381 + ... + 161447043.

It is an arithmetic number, because the mean of its divisors is an integer number (5017888512).

Almost surely, 2^268485050556 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 268485050556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361287972864).

268485050556 is an abundant number, since it is smaller than the sum of its proper divisors (454090895172).

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

268485050556 is a wasteful number, since it uses less digits than its factorization.

268485050556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 268485050556 in words is "two hundred sixty-eight billion, four hundred eighty-five million, fifty thousand, five hundred fifty-six".