266429855850 has 48 divisors (see below), whose sum is σ = 662489577120. Its totient is φ = 70860484800.

The previous prime is 266429855843. The next prime is 266429855893. The reversal of 266429855850 is 58558924662.

266429855850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2286421 + ... + 2400120.

It is an arithmetic number, because the mean of its divisors is an integer number (13801866190).

Almost surely, 2^266429855850 is an apocalyptic number.

266429855850 is an abundant number, since it is smaller than the sum of its proper divisors (396059721270).

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

266429855850 is a wasteful number, since it uses less digits than its factorization.

266429855850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686935 (or 4686930 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 266429855850 in words is "two hundred sixty-six billion, four hundred twenty-nine million, eight hundred fifty-five thousand, eight hundred fifty".