266030640445 has 16 divisors (see below), whose sum is σ = 336097327680. Its totient is φ = 201588048000.

The previous prime is 266030640439. The next prime is 266030640523. The reversal of 266030640445 is 544046030662.

It is not a de Polignac number, because 266030640445 - 2¹⁷ = 266030509373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266030640398 and 266030640407.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 309730 + ... + 792460.

It is an arithmetic number, because the mean of its divisors is an integer number (21006082980).

Almost surely, 2^266030640445 is an apocalyptic number.

It is an amenable number.

266030640445 is a deficient number, since it is larger than the sum of its proper divisors (70066687235).

266030640445 is a wasteful number, since it uses less digits than its factorization.

266030640445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488556.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 266030640445 in words is "two hundred sixty-six billion, thirty million, six hundred forty thousand, four hundred forty-five".