43400212441 has 4 divisors (see below), whose sum is σ = 45953166132. Its totient is φ = 40847258752.

The previous prime is 43400212423. The next prime is 43400212477. The reversal of 43400212441 is 14421200434.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36214090000 + 7186122441 = 190300^2 + 84771^2 .

It is a cyclic number.

It is not a de Polignac number, because 43400212441 - 2⁵ = 43400212409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43400212741) 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, 1276476820 + ... + 1276476853.

It is an arithmetic number, because the mean of its divisors is an integer number (11488291533).

Almost surely, 2^43400212441 is an apocalyptic number.

It is an amenable number.

43400212441 is a deficient number, since it is larger than the sum of its proper divisors (2552953691).

43400212441 is a wasteful number, since it uses less digits than its factorization.

43400212441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552953690.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 43400212441 its reverse (14421200434), we get a palindrome (57821412875).

The spelling of 43400212441 in words is "forty-three billion, four hundred million, two hundred twelve thousand, four hundred forty-one".