40318192 has 20 divisors (see below), whose sum is σ = 79188880. Its totient is φ = 19882368.

The previous prime is 40318189. The next prime is 40318193. The reversal of 40318192 is 29181304.

It is a happy number.

40318192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40318192² = 3251113212297728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40318192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40318193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16092 + ... + 18427.

It is an arithmetic number, because the mean of its divisors is an integer number (3959444).

Almost surely, 2^40318192 is an apocalyptic number.

It is an amenable number.

40318192 is a deficient number, since it is larger than the sum of its proper divisors (38870688).

40318192 is a wasteful number, since it uses less digits than its factorization.

40318192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34600 (or 34594 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 40318192 is about 6349.6607783408. The cubic root of 40318192 is about 342.8996297877.

Adding to 40318192 its reverse (29181304), we get a palindrome (69499496).

The spelling of 40318192 in words is "forty million, three hundred eighteen thousand, one hundred ninety-two".