266042 has 16 divisors (see below), whose sum is σ = 471552. Its totient is φ = 110160.

The previous prime is 266029. The next prime is 266047. The reversal of 266042 is 240662.

It is not an unprimeable number, because it can be changed into a prime (266047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128 + ... + 740.

It is an arithmetic number, because the mean of its divisors is an integer number (29472).

2²⁶⁶⁰⁴² is an apocalyptic number.

266042 is a deficient number, since it is larger than the sum of its proper divisors (205510).

266042 is a wasteful number, since it uses less digits than its factorization.

266042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 266042 is about 515.7925939755. The cubic root of 266042 is about 64.3156605923.

The spelling of 266042 in words is "two hundred sixty-six thousand, forty-two".