40318422 has 16 divisors (see below), whose sum is σ = 80741232. Its totient is φ = 13422080.

The previous prime is 40318409. The next prime is 40318429. The reversal of 40318422 is 22481304.

It is a junction number, because it is equal to n+sod(n) for n = 40318392 and 40318401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40318429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (5046327).

Almost surely, 2^40318422 is an apocalyptic number.

40318422 is an abundant number, since it is smaller than the sum of its proper divisors (40422810).

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

40318422 is a wasteful number, since it uses less digits than its factorization.

40318422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 40318422 is about 6349.6788895187. The cubic root of 40318422 is about 342.9002818239.

Adding to 40318422 its reverse (22481304), we get a palindrome (62799726).

The spelling of 40318422 in words is "forty million, three hundred eighteen thousand, four hundred twenty-two".