43421120041 has 16 divisors (see below), whose sum is σ = 47793328128. Its totient is φ = 39205252800.

The previous prime is 43421119967. The next prime is 43421120047. The reversal of 43421120041 is 14002112434.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43421120041 - 2¹⁵ = 43421087273 is a prime.

It is a super-2 number, since 2×43421120041² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43421119994 and 43421120021.

It is not an unprimeable number, because it can be changed into a prime (43421120047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67990 + ... + 302431.

It is an arithmetic number, because the mean of its divisors is an integer number (2987083008).

Almost surely, 2^43421120041 is an apocalyptic number.

It is an amenable number.

43421120041 is a deficient number, since it is larger than the sum of its proper divisors (4372208087).

43421120041 is a wasteful number, since it uses less digits than its factorization.

43421120041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370632.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 43421120041 its reverse (14002112434), we get a palindrome (57423232475).

The spelling of 43421120041 in words is "forty-three billion, four hundred twenty-one million, one hundred twenty thousand, forty-one".