42266620243 has 16 divisors (see below), whose sum is σ = 46815299136. Its totient is φ = 37955737600.

The previous prime is 42266620237. The next prime is 42266620273. The reversal of 42266620243 is 34202666224.

It is a cyclic number.

It is not a de Polignac number, because 42266620243 - 2²⁵ = 42233065811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42266620213) 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, 22005 + ... + 291577.

It is an arithmetic number, because the mean of its divisors is an integer number (2925956196).

Almost surely, 2^42266620243 is an apocalyptic number.

42266620243 is a deficient number, since it is larger than the sum of its proper divisors (4548678893).

42266620243 is a wasteful number, since it uses less digits than its factorization.

42266620243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270014.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 42266620243 in words is "forty-two billion, two hundred sixty-six million, six hundred twenty thousand, two hundred forty-three".