266305562236042 has 16 divisors (see below), whose sum is σ = 456525718490880. Its totient is φ = 114130480865328.

The previous prime is 266305562236027. The next prime is 266305562236093. The reversal of 266305562236042 is 240632265503662.

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 7 ways as a sum of consecutive naturals, for example, 36032317 + ... + 42789472.

It is an arithmetic number, because the mean of its divisors is an integer number (28532857405680).

Almost surely, 2^{266305562236042} is an apocalyptic number.

266305562236042 is a deficient number, since it is larger than the sum of its proper divisors (190220156254838).

266305562236042 is a wasteful number, since it uses less digits than its factorization.

266305562236042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79063125.

The product of its (nonzero) digits is 18662400, while the sum is 52.

The spelling of 266305562236042 in words is "two hundred sixty-six trillion, three hundred five billion, five hundred sixty-two million, two hundred thirty-six thousand, forty-two".