266211430141040 has 320 divisors, whose sum is σ = 661909088499840. Its totient is φ = 99284525383680.

The previous prime is 266211430140977. The next prime is 266211430141043. The reversal of 266211430141040 is 40141034112662.

266211430141040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266211430141043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63128153012 + ... + 63128157228.

It is an arithmetic number, because the mean of its divisors is an integer number (2068465901562).

Almost surely, 2^{266211430141040} is an apocalyptic number.

266211430141040 is a gapful number since it is divisible by the number (20) 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 266211430141040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330954544249920).

266211430141040 is an abundant number, since it is smaller than the sum of its proper divisors (395697658358800).

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

266211430141040 is a wasteful number, since it uses less digits than its factorization.

266211430141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 266211430141040 in words is "two hundred sixty-six trillion, two hundred eleven billion, four hundred thirty million, one hundred forty-one thousand, forty".