266041033042560 has 64 divisors (see below), whose sum is σ = 848005792829280. Its totient is φ = 70944275477504.

The previous prime is 266041033042507. The next prime is 266041033042591. The reversal of 266041033042560 is 65240330140662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69281517102 + ... + 69281520941.

Almost surely, 2^{266041033042560} is an apocalyptic number.

266041033042560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266041033042560 is an abundant number, since it is smaller than the sum of its proper divisors (581964759786720).

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

266041033042560 is a wasteful number, since it uses less digits than its factorization.

266041033042560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138563038065 (or 138563038053 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 266041033042560 in words is "two hundred sixty-six trillion, forty-one billion, thirty-three million, forty-two thousand, five hundred sixty".