266044021002042 has 32 divisors (see below), whose sum is σ = 542573291445120. Its totient is φ = 86950847947200.

The previous prime is 266044021002013. The next prime is 266044021002043. The reversal of 266044021002042 is 240200120440662.

It is a super-2 number, since 2×266044021002042² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266044021001994 and 266044021002012.

It is not an unprimeable number, because it can be changed into a prime (266044021002043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2131085817 + ... + 2131210652.

It is an arithmetic number, because the mean of its divisors is an integer number (16955415357660).

Almost surely, 2^{266044021002042} is an apocalyptic number.

266044021002042 is an abundant number, since it is smaller than the sum of its proper divisors (276529270443078).

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

266044021002042 is a wasteful number, since it uses less digits than its factorization.

266044021002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262296678.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 266044021002042 in words is "two hundred sixty-six trillion, forty-four billion, twenty-one million, two thousand, forty-two".