40112043223434 has 192 divisors, whose sum is σ = 100548510741504. Its totient is φ = 10443999541248.

The previous prime is 40112043223411. The next prime is 40112043223451. The reversal of 40112043223434 is 43432234021104.

It is a junction number, because it is equal to n+sod(n) for n = 40112043223395 and 40112043223404.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 840670362 + ... + 840718074.

It is an arithmetic number, because the mean of its divisors is an integer number (523690160112).

Almost surely, 2^{40112043223434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40112043223434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50274255370752).

40112043223434 is an abundant number, since it is smaller than the sum of its proper divisors (60436467518070).

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

40112043223434 is a wasteful number, since it uses less digits than its factorization.

40112043223434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49261 (or 49248 counting only the distinct ones).

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

Adding to 40112043223434 its reverse (43432234021104), we get a palindrome (83544277244538).

The spelling of 40112043223434 in words is "forty trillion, one hundred twelve billion, forty-three million, two hundred twenty-three thousand, four hundred thirty-four".