40423422 has 16 divisors (see below), whose sum is σ = 87066000. Its totient is φ = 12437952.

The previous prime is 40423421. The next prime is 40423429. The reversal of 40423422 is 22432404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423421) 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, 259047 + ... + 259202.

It is an arithmetic number, because the mean of its divisors is an integer number (5441625).

Almost surely, 2^40423422 is an apocalyptic number.

40423422 is an abundant number, since it is smaller than the sum of its proper divisors (46642578).

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

40423422 is a wasteful number, since it uses less digits than its factorization.

40423422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518267.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 40423422 is about 6357.9416480493. The cubic root of 40423422 is about 343.1976919390.

Adding to 40423422 its reverse (22432404), we get a palindrome (62855826).

The spelling of 40423422 in words is "forty million, four hundred twenty-three thousand, four hundred twenty-two".