266044006332242 has 8 divisors (see below), whose sum is σ = 399086780180556. Its totient is φ = 133015079605392.

The previous prime is 266044006332233. The next prime is 266044006332271. The reversal of 266044006332242 is 242233600440662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 265636897253641 + 407109078601 = 16298371^2 + 638051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 266044006332193 and 266044006332202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3461732333 + ... + 3461809184.

Almost surely, 2^{266044006332242} is an apocalyptic number.

266044006332242 is a deficient number, since it is larger than the sum of its proper divisors (133042773848314).

266044006332242 is a wasteful number, since it uses less digits than its factorization.

266044006332242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923560732.

The product of its (nonzero) digits is 1990656, while the sum is 44.

The spelling of 266044006332242 in words is "two hundred sixty-six trillion, forty-four billion, six million, three hundred thirty-two thousand, two hundred forty-two".