43124440105 has 4 divisors (see below), whose sum is σ = 51749328132. Its totient is φ = 34499552080.

The previous prime is 43124440097. The next prime is 43124440127. The reversal of 43124440105 is 50104442134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50104442134 = 2 ⋅25052221067.

It can be written as a sum of positive squares in 2 ways, for example, as 33587159824 + 9537280281 = 183268^2 + 97659^2 .

It is not a de Polignac number, because 43124440105 - 2³ = 43124440097 is a prime.

It is a super-2 number, since 2×43124440105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4312444006 + ... + 4312444015.

It is an arithmetic number, because the mean of its divisors is an integer number (12937332033).

Almost surely, 2^43124440105 is an apocalyptic number.

It is an amenable number.

43124440105 is a deficient number, since it is larger than the sum of its proper divisors (8624888027).

43124440105 is an equidigital number, since it uses as much as digits as its factorization.

43124440105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624888026.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 43124440105 its reverse (50104442134), we get a palindrome (93228882239).

It can be divided in two parts, 431 and 24440105, that added together give a triangular number (24440536 = T₆₉₉₁).

The spelling of 43124440105 in words is "forty-three billion, one hundred twenty-four million, four hundred forty thousand, one hundred five".