266420422244 has 12 divisors (see below), whose sum is σ = 466963100268. Its totient is φ = 133002393600.

The previous prime is 266420422241. The next prime is 266420422259. The reversal of 266420422244 is 442224024662.

It can be written as a sum of positive squares in 2 ways, for example, as 207207040000 + 59213382244 = 455200^2 + 243338^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 266420422198 and 266420422207.

It is not an unprimeable number, because it can be changed into a prime (266420422241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51951497 + ... + 51956624.

It is an arithmetic number, because the mean of its divisors is an integer number (38913591689).

Almost surely, 2^266420422244 is an apocalyptic number.

It is an amenable number.

266420422244 is a deficient number, since it is larger than the sum of its proper divisors (200542678024).

266420422244 is a wasteful number, since it uses less digits than its factorization.

266420422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103908766 (or 103908764 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 266420422244 in words is "two hundred sixty-six billion, four hundred twenty million, four hundred twenty-two thousand, two hundred forty-four".