268636380588042 has 32 divisors (see below), whose sum is σ = 561464656929792. Its totient is φ = 85602092573424.

The previous prime is 268636380587963. The next prime is 268636380588101. The reversal of 268636380588042 is 240885083636862.

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 15 ways as a sum of consecutive naturals, for example, 11076863208 + ... + 11076887459.

It is an arithmetic number, because the mean of its divisors is an integer number (17545770529056).

Almost surely, 2^{268636380588042} is an apocalyptic number.

268636380588042 is an abundant number, since it is smaller than the sum of its proper divisors (292828276341750).

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

268636380588042 is a wasteful number, since it uses less digits than its factorization.

268636380588042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22153750762.

The product of its (nonzero) digits is 637009920, while the sum is 69.

The spelling of 268636380588042 in words is "two hundred sixty-eight trillion, six hundred thirty-six billion, three hundred eighty million, five hundred eighty-eight thousand, forty-two".