266402444402 has 16 divisors (see below), whose sum is σ = 417008414592. Its totient is φ = 127400491680.

The previous prime is 266402444401. The next prime is 266402444411. The reversal of 266402444402 is 204444204662.

266402444402 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266402444402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266402444401) 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 7 ways as a sum of consecutive naturals, for example, 440627 + ... + 852617.

It is an arithmetic number, because the mean of its divisors is an integer number (26063025912).

Almost surely, 2^266402444402 is an apocalyptic number.

266402444402 is a deficient number, since it is larger than the sum of its proper divisors (150605970190).

266402444402 is a wasteful number, since it uses less digits than its factorization.

266402444402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426073.

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 266402444402 in words is "two hundred sixty-six billion, four hundred two million, four hundred forty-four thousand, four hundred two".