43243404040142 has 16 divisors (see below), whose sum is σ = 66292230669120. Its totient is φ = 21146646816768.

The previous prime is 43243404040097. The next prime is 43243404040147. The reversal of 43243404040142 is 24104040434234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243404040147) 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, 163116743 + ... + 163381634.

It is an arithmetic number, because the mean of its divisors is an integer number (4143264416820).

Almost surely, 2^{43243404040142} is an apocalyptic number.

43243404040142 is a deficient number, since it is larger than the sum of its proper divisors (23048826628978).

43243404040142 is a wasteful number, since it uses less digits than its factorization.

43243404040142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326499835.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 43243404040142 its reverse (24104040434234), we get a palindrome (67347444474376).

The spelling of 43243404040142 in words is "forty-three trillion, two hundred forty-three billion, four hundred four million, forty thousand, one hundred forty-two".