43184139242 has 12 divisors (see below), whose sum is σ = 64904499366. Its totient is φ = 21549390480.

The previous prime is 43184139241. The next prime is 43184139269. The reversal of 43184139242 is 24293148134.

It can be written as a sum of positive squares in 3 ways, for example, as 41823931081 + 1360208161 = 204509^2 + 36881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43184139242.

It is not an unprimeable number, because it can be changed into a prime (43184139241) 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, 476492 + ... + 559832.

Almost surely, 2^43184139242 is an apocalyptic number.

43184139242 is a deficient number, since it is larger than the sum of its proper divisors (21720360124).

43184139242 is an frugal number, since it uses more digits than its factorization.

43184139242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84361 (or 83852 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The spelling of 43184139242 in words is "forty-three billion, one hundred eighty-four million, one hundred thirty-nine thousand, two hundred forty-two".