43556433041 has 12 divisors (see below), whose sum is σ = 49170032436. Its totient is φ = 38526570720.

The previous prime is 43556433031. The next prime is 43556433047. The reversal of 43556433041 is 14033465534.

It can be written as a sum of positive squares in 2 ways, for example, as 35298894400 + 8257538641 = 187880^2 + 90871^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43556433041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43556432986 and 43556433004.

It is not an unprimeable number, because it can be changed into a prime (43556433047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4859990 + ... + 4868943.

It is an arithmetic number, because the mean of its divisors is an integer number (4097502703).

Almost surely, 2^43556433041 is an apocalyptic number.

It is an amenable number.

43556433041 is a deficient number, since it is larger than the sum of its proper divisors (5613599395).

43556433041 is a wasteful number, since it uses less digits than its factorization.

43556433041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9728992 (or 9728981 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 43556433041 its reverse (14033465534), we get a palindrome (57589898575).

The spelling of 43556433041 in words is "forty-three billion, five hundred fifty-six million, four hundred thirty-three thousand, forty-one".