266446021501042 has 8 divisors (see below), whose sum is σ = 399669814995696. Its totient is φ = 133222749835812.

The previous prime is 266446021501007. The next prime is 266446021501067. The reversal of 266446021501042 is 240105120644662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 266446021501042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129178348 + ... + 131224759.

It is an arithmetic number, because the mean of its divisors is an integer number (49958726874462).

Almost surely, 2^{266446021501042} is an apocalyptic number.

266446021501042 is a deficient number, since it is larger than the sum of its proper divisors (133223793494654).

266446021501042 is a wasteful number, since it uses less digits than its factorization.

266446021501042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260914712.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 266446021501042 in words is "two hundred sixty-six trillion, four hundred forty-six billion, twenty-one million, five hundred one thousand, forty-two".