266040346 has 16 divisors (see below), whose sum is σ = 468826848. Its totient is φ = 111625200.

The previous prime is 266040331. The next prime is 266040347. The reversal of 266040346 is 643040662.

266040346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×266040346³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (266040347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464820 + ... + 465391.

It is an arithmetic number, because the mean of its divisors is an integer number (29301678).

Almost surely, 2^266040346 is an apocalyptic number.

266040346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

266040346 is a deficient number, since it is larger than the sum of its proper divisors (202786502).

266040346 is a wasteful number, since it uses less digits than its factorization.

266040346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930237.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 266040346 is about 16310.7432693915. The cubic root of 266040346 is about 643.1552730716.

The spelling of 266040346 in words is "two hundred sixty-six million, forty thousand, three hundred forty-six".