266009096380 has 12 divisors (see below), whose sum is σ = 558619102440. Its totient is φ = 106403638544.

The previous prime is 266009096377. The next prime is 266009096393. The reversal of 266009096380 is 83690900662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6650227390 + ... + 6650227429.

It is an arithmetic number, because the mean of its divisors is an integer number (46551591870).

Almost surely, 2^266009096380 is an apocalyptic number.

266009096380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266009096380 is an abundant number, since it is smaller than the sum of its proper divisors (292610006060).

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

266009096380 is a wasteful number, since it uses less digits than its factorization.

266009096380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13300454828 (or 13300454826 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 266009096380 in words is "two hundred sixty-six billion, nine million, ninety-six thousand, three hundred eighty".