40422344 has 16 divisors (see below), whose sum is σ = 76129200. Its totient is φ = 20121232.

The previous prime is 40422341. The next prime is 40422407. The reversal of 40422344 is 44322404.

It is not an unprimeable number, because it can be changed into a prime (40422341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (4758075).

Almost surely, 2^40422344 is an apocalyptic number.

It is an amenable number.

40422344 is a deficient number, since it is larger than the sum of its proper divisors (35706856).

40422344 is a wasteful number, since it uses less digits than its factorization.

40422344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22492 (or 22488 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 40422344 is about 6357.8568716196. The cubic root of 40422344 is about 343.1946411466.

Adding to 40422344 its reverse (44322404), we get a palindrome (84744748).

The spelling of 40422344 in words is "forty million, four hundred twenty-two thousand, three hundred forty-four".