40318234 has 16 divisors (see below), whose sum is σ = 67759776. Its totient is φ = 17830800.

The previous prime is 40318231. The next prime is 40318261. The reversal of 40318234 is 43281304.

40318234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40318199 and 40318208.

It is not an unprimeable number, because it can be changed into a prime (40318231) 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 7 ways as a sum of consecutive naturals, for example, 23952 + ... + 25579.

It is an arithmetic number, because the mean of its divisors is an integer number (4234986).

Almost surely, 2^40318234 is an apocalyptic number.

40318234 is a deficient number, since it is larger than the sum of its proper divisors (27441542).

40318234 is a wasteful number, since it uses less digits than its factorization.

40318234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49581.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40318234 is about 6349.6640856033. The cubic root of 40318234 is about 342.8997488554.

Adding to 40318234 its reverse (43281304), we get a palindrome (83599538).

The spelling of 40318234 in words is "forty million, three hundred eighteen thousand, two hundred thirty-four".