40312342 has 16 divisors (see below), whose sum is σ = 69743520. Its totient is φ = 17117568.

The previous prime is 40312313. The next prime is 40312343. The reversal of 40312342 is 24321304.

40312342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40312343) 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, 11683 + ... + 14734.

It is an arithmetic number, because the mean of its divisors is an integer number (4358970).

Almost surely, 2^40312342 is an apocalyptic number.

40312342 is a deficient number, since it is larger than the sum of its proper divisors (29431178).

40312342 is a wasteful number, since it uses less digits than its factorization.

40312342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26535.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40312342 is about 6349.2001071001. The cubic root of 40312342 is about 342.8830445544.

Adding to 40312342 its reverse (24321304), we get a palindrome (64633646).

The spelling of 40312342 in words is "forty million, three hundred twelve thousand, three hundred forty-two".