266004202045444 has 12 divisors (see below), whose sum is σ = 466645513371100. Its totient is φ = 132676912510848.

The previous prime is 266004202045423. The next prime is 266004202045451. The reversal of 266004202045444 is 444540202400662.

It can be written as a sum of positive squares in 2 ways, for example, as 245643242460100 + 20360959585344 = 15673010^2 + 4512312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266004202045444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81297126129 + ... + 81297129400.

Almost surely, 2^{266004202045444} is an apocalyptic number.

It is an amenable number.

266004202045444 is a deficient number, since it is larger than the sum of its proper divisors (200641311325656).

266004202045444 is a wasteful number, since it uses less digits than its factorization.

266004202045444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162594255942 (or 162594255940 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 43.

The spelling of 266004202045444 in words is "two hundred sixty-six trillion, four billion, two hundred two million, forty-five thousand, four hundred forty-four".