266442084 has 36 divisors (see below), whose sum is σ = 674004604. Its totient is φ = 88748352.

The previous prime is 266442041. The next prime is 266442089. The reversal of 266442084 is 480244662.

It is a happy number.

266442084 is a `hidden beast` number, since 2 + 6 + 644 + 2 + 0 + 8 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 239630400 + 26811684 = 15480^2 + 5178^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (266442089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86214 + ... + 89250.

Almost surely, 2^266442084 is an apocalyptic number.

It is an amenable number.

266442084 is an abundant number, since it is smaller than the sum of its proper divisors (407562520).

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

266442084 is a wasteful number, since it uses less digits than its factorization.

266442084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 266442084 is about 16323.0537584118. The cubic root of 266442084 is about 643.4788455037.

The spelling of 266442084 in words is "two hundred sixty-six million, four hundred forty-two thousand, eighty-four".