266415320420000 has 120 divisors (see below), whose sum is σ = 655433032316832. Its totient is φ = 106564277600000.

The previous prime is 266415320419999. The next prime is 266415320420023. The reversal of 266415320420000 is 24023514662.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2162558405 + ... + 2162681595.

Almost surely, 2^{266415320420000} is an apocalyptic number.

266415320420000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266415320420000 is an abundant number, since it is smaller than the sum of its proper divisors (389017711896832).

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

266415320420000 is a wasteful number, since it uses less digits than its factorization.

266415320420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231352 (or 231329 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 266415320420000 its reverse (24023514662), we get a palindrome (266439343934662).

The spelling of 266415320420000 in words is "two hundred sixty-six trillion, four hundred fifteen billion, three hundred twenty million, four hundred twenty thousand".