43400042241 has 4 divisors (see below), whose sum is σ = 57866722992. Its totient is φ = 28933361492.

The previous prime is 43400042239. The next prime is 43400042263. The reversal of 43400042241 is 14224000434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43400042241 - 2¹ = 43400042239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43400042291) 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, 7233340371 + ... + 7233340376.

It is an arithmetic number, because the mean of its divisors is an integer number (14466680748).

Almost surely, 2^43400042241 is an apocalyptic number.

It is an amenable number.

43400042241 is a deficient number, since it is larger than the sum of its proper divisors (14466680751).

43400042241 is a wasteful number, since it uses less digits than its factorization.

43400042241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14466680750.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 43400042241 its reverse (14224000434), we get a palindrome (57624042675).

The spelling of 43400042241 in words is "forty-three billion, four hundred million, forty-two thousand, two hundred forty-one".