266418140401 has 16 divisors (see below), whose sum is σ = 311754408064. Its totient is φ = 222907676544.

The previous prime is 266418140381. The next prime is 266418140413. The reversal of 266418140401 is 104041814662.

266418140401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266418140401 - 2⁷ = 266418140273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266418140501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 203581 + ... + 757813.

It is an arithmetic number, because the mean of its divisors is an integer number (19484650504).

Almost surely, 2^266418140401 is an apocalyptic number.

It is an amenable number.

266418140401 is a deficient number, since it is larger than the sum of its proper divisors (45336267663).

266418140401 is a wasteful number, since it uses less digits than its factorization.

266418140401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555880.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 266418140401 in words is "two hundred sixty-six billion, four hundred eighteen million, one hundred forty thousand, four hundred one".