43261361266 has 8 divisors (see below), whose sum is σ = 64936892160. Its totient is φ = 21615730548.

The previous prime is 43261361263. The next prime is 43261361293. The reversal of 43261361266 is 66216316234.

It is a happy number.

43261361266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43261361263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7471426 + ... + 7477213.

It is an arithmetic number, because the mean of its divisors is an integer number (8117111520).

Almost surely, 2^43261361266 is an apocalyptic number.

43261361266 is a deficient number, since it is larger than the sum of its proper divisors (21675530894).

43261361266 is a wasteful number, since it uses less digits than its factorization.

43261361266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14950088.

The product of its digits is 186624, while the sum is 40.

The spelling of 43261361266 in words is "forty-three billion, two hundred sixty-one million, three hundred sixty-one thousand, two hundred sixty-six".