43442221241 has 16 divisors (see below), whose sum is σ = 45778037760. Its totient is φ = 41167573440.

The previous prime is 43442221237. The next prime is 43442221253. The reversal of 43442221241 is 14212224434.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43442221241 - 2² = 43442221237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43442221541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411851 + ... + 506463.

It is an arithmetic number, because the mean of its divisors is an integer number (2861127360).

Almost surely, 2^43442221241 is an apocalyptic number.

It is an amenable number.

43442221241 is a deficient number, since it is larger than the sum of its proper divisors (2335816519).

43442221241 is a wasteful number, since it uses less digits than its factorization.

43442221241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94936.

The product of its digits is 12288, while the sum is 29.

Adding to 43442221241 its reverse (14212224434), we get a palindrome (57654445675).

The spelling of 43442221241 in words is "forty-three billion, four hundred forty-two million, two hundred twenty-one thousand, two hundred forty-one".