40343422 has 16 divisors (see below), whose sum is σ = 72800640. Its totient is φ = 16379928.

The previous prime is 40343419. The next prime is 40343423. The reversal of 40343422 is 22434304.

It is a junction number, because it is equal to n+sod(n) for n = 40343393 and 40343402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75568 + ... + 76099.

It is an arithmetic number, because the mean of its divisors is an integer number (4550040).

Almost surely, 2^40343422 is an apocalyptic number.

40343422 is a deficient number, since it is larger than the sum of its proper divisors (32457218).

40343422 is a wasteful number, since it uses less digits than its factorization.

40343422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151695.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 40343422 is about 6351.6471879348. The cubic root of 40343422 is about 342.9711405480.

Adding to 40343422 its reverse (22434304), we get a palindrome (62777726).

The spelling of 40343422 in words is "forty million, three hundred forty-three thousand, four hundred twenty-two".