266041034433888 has 192 divisors, whose sum is σ = 806690894510592. Its totient is φ = 75200096010240.

The previous prime is 266041034433887. The next prime is 266041034433913. The reversal of 266041034433888 is 888334430140662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266041034433887) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17808495 + ... + 29141457.

It is an arithmetic number, because the mean of its divisors is an integer number (4201515075576).

Almost surely, 2^{266041034433888} is an apocalyptic number.

266041034433888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266041034433888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403345447255296).

266041034433888 is an abundant number, since it is smaller than the sum of its proper divisors (540649860076704).

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

266041034433888 is a wasteful number, since it uses less digits than its factorization.

266041034433888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11333357 (or 11333349 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 60.

The spelling of 266041034433888 in words is "two hundred sixty-six trillion, forty-one billion, thirty-four million, four hundred thirty-three thousand, eight hundred eighty-eight".