40343222112 has 96 divisors (see below), whose sum is σ = 106798487040. Its totient is φ = 13334023680.

The previous prime is 40343222099. The next prime is 40343222119. The reversal of 40343222112 is 21122234304.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343222119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14717062 + ... + 14719802.

It is an arithmetic number, because the mean of its divisors is an integer number (1112484240).

Almost surely, 2^40343222112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40343222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53399243520).

40343222112 is an abundant number, since it is smaller than the sum of its proper divisors (66455264928).

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

40343222112 is a wasteful number, since it uses less digits than its factorization.

40343222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3988 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40343222112 its reverse (21122234304), we get a palindrome (61465456416).

The spelling of 40343222112 in words is "forty billion, three hundred forty-three million, two hundred twenty-two thousand, one hundred twelve".