268420943886 has 16 divisors (see below), whose sum is σ = 537717656784. Its totient is φ = 89327686464.

The previous prime is 268420943873. The next prime is 268420943887. The reversal of 268420943886 is 688349024862.

268420943886 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 not an unprimeable number, because it can be changed into a prime (268420943887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36486391 + ... + 36493746.

It is an arithmetic number, because the mean of its divisors is an integer number (33607353549).

Almost surely, 2^268420943886 is an apocalyptic number.

268420943886 is an abundant number, since it is smaller than the sum of its proper divisors (269296712898).

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

268420943886 is a wasteful number, since it uses less digits than its factorization.

268420943886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72980755.

The product of its (nonzero) digits is 31850496, while the sum is 60.

The spelling of 268420943886 in words is "two hundred sixty-eight billion, four hundred twenty million, nine hundred forty-three thousand, eight hundred eighty-six".