43161233442 has 16 divisors (see below), whose sum is σ = 86354553600. Its totient is φ = 14381730032.

The previous prime is 43161233419. The next prime is 43161233449. The reversal of 43161233442 is 24433216134.

It is not an unprimeable number, because it can be changed into a prime (43161233449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319442 + ... + 1351757.

It is an arithmetic number, because the mean of its divisors is an integer number (5397159600).

Almost surely, 2^43161233442 is an apocalyptic number.

43161233442 is an abundant number, since it is smaller than the sum of its proper divisors (43193320158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43161233442 is a wasteful number, since it uses less digits than its factorization.

43161233442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673897.

The product of its digits is 41472, while the sum is 33.

Adding to 43161233442 its reverse (24433216134), we get a palindrome (67594449576).

The spelling of 43161233442 in words is "forty-three billion, one hundred sixty-one million, two hundred thirty-three thousand, four hundred forty-two".