266105435411442 has 64 divisors (see below), whose sum is σ = 594853015311360. Its totient is φ = 78674546808000.

The previous prime is 266105435411429. The next prime is 266105435411443. The reversal of 266105435411442 is 244114534501662.

It is a junction number, because it is equal to n+sod(n) for n = 266105435411391 and 266105435411400.

It is not an unprimeable number, because it can be changed into a prime (266105435411443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211869934 + ... + 213122217.

It is an arithmetic number, because the mean of its divisors is an integer number (9294578364240).

Almost surely, 2^{266105435411442} is an apocalyptic number.

266105435411442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266105435411442 is an abundant number, since it is smaller than the sum of its proper divisors (328747579899918).

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

266105435411442 is a wasteful number, since it uses less digits than its factorization.

266105435411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424992399.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 266105435411442 in words is "two hundred sixty-six trillion, one hundred five billion, four hundred thirty-five million, four hundred eleven thousand, four hundred forty-two".