43440413101 has 4 divisors (see below), whose sum is σ = 43469510652. Its totient is φ = 43411315552.

The previous prime is 43440413087. The next prime is 43440413129. The reversal of 43440413101 is 10131404434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10131404434 = 2 ⋅5065702217.

It can be written as a sum of positive squares in 2 ways, for example, as 33609888900 + 9830524201 = 183330^2 + 99149^2 .

It is a cyclic number.

It is not a de Polignac number, because 43440413101 - 2⁵ = 43440413069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43440413171) 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, 14546536 + ... + 14549521.

It is an arithmetic number, because the mean of its divisors is an integer number (10867377663).

Almost surely, 2^43440413101 is an apocalyptic number.

It is an amenable number.

43440413101 is a deficient number, since it is larger than the sum of its proper divisors (29097551).

43440413101 is a wasteful number, since it uses less digits than its factorization.

43440413101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29097550.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 43440413101 its reverse (10131404434), we get a palindrome (53571817535).

The spelling of 43440413101 in words is "forty-three billion, four hundred forty million, four hundred thirteen thousand, one hundred one".