43400044243 has 8 divisors (see below), whose sum is σ = 46052677440. Its totient is φ = 40758487680.

The previous prime is 43400044241. The next prime is 43400044273. The reversal of 43400044243 is 34244000434.

43400044243 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 a cyclic number.

It is not a de Polignac number, because 43400044243 - 2¹ = 43400044241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43400044241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761083 + ... + 2776756.

It is an arithmetic number, because the mean of its divisors is an integer number (5756584680).

Almost surely, 2^43400044243 is an apocalyptic number.

43400044243 is a deficient number, since it is larger than the sum of its proper divisors (2652633197).

43400044243 is a wasteful number, since it uses less digits than its factorization.

43400044243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538317.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 43400044243 its reverse (34244000434), we get a palindrome (77644044677).

The spelling of 43400044243 in words is "forty-three billion, four hundred million, forty-four thousand, two hundred forty-three".