10406436266 has 4 divisors (see below), whose sum is σ = 15609654402. Its totient is φ = 5203218132.

The previous prime is 10406436251. The next prime is 10406436301. The reversal of 10406436266 is 66263460401.

It is a happy number.

10406436266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7170533041 + 3235903225 = 84679^2 + 56885^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2601609065 + ... + 2601609068.

Almost surely, 2^10406436266 is an apocalyptic number.

10406436266 is a deficient number, since it is larger than the sum of its proper divisors (5203218136).

10406436266 is an equidigital number, since it uses as much as digits as its factorization.

10406436266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203218135.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 10406436266 its reverse (66263460401), we get a palindrome (76669896667).

The spelling of 10406436266 in words is "ten billion, four hundred six million, four hundred thirty-six thousand, two hundred sixty-six".