43422321312042 has 32 divisors (see below), whose sum is σ = 92294984347200. Its totient is φ = 13572047063808.

The previous prime is 43422321312031. The next prime is 43422321312043. The reversal of 43422321312042 is 24021312322434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43422321311994 and 43422321312012.

It is not an unprimeable number, because it can be changed into a prime (43422321312043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791253292 + ... + 791308167.

It is an arithmetic number, because the mean of its divisors is an integer number (2884218260850).

Almost surely, 2^{43422321312042} is an apocalyptic number.

43422321312042 is an abundant number, since it is smaller than the sum of its proper divisors (48872663035158).

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

43422321312042 is a wasteful number, since it uses less digits than its factorization.

43422321312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582561750.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 43422321312042 its reverse (24021312322434), we get a palindrome (67443633634476).

The spelling of 43422321312042 in words is "forty-three trillion, four hundred twenty-two billion, three hundred twenty-one million, three hundred twelve thousand, forty-two".