43042220433 has 6 divisors (see below), whose sum is σ = 62172096194. Its totient is φ = 28694813616.

The previous prime is 43042220411. The next prime is 43042220443. The reversal of 43042220433 is 33402224034.

43042220433 is a `hidden beast` number, since 4 + 3 + 0 + 4 + 2 + 220 + 433 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31397004864 + 11645215569 = 177192^2 + 107913^2 .

It is not a de Polignac number, because 43042220433 - 2⁶ = 43042220369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43042220397 and 43042220406.

It is not an unprimeable number, because it can be changed into a prime (43042220443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2391234460 + ... + 2391234477.

Almost surely, 2^43042220433 is an apocalyptic number.

It is an amenable number.

43042220433 is a deficient number, since it is larger than the sum of its proper divisors (19129875761).

43042220433 is a wasteful number, since it uses less digits than its factorization.

43042220433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782468943 (or 4782468940 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 43042220433 its reverse (33402224034), we get a palindrome (76444444467).

The spelling of 43042220433 in words is "forty-three billion, forty-two million, two hundred twenty thousand, four hundred thirty-three".