40344134 has 16 divisors (see below), whose sum is σ = 62586000. Its totient is φ = 19489824.

The previous prime is 40344131. The next prime is 40344167. The reversal of 40344134 is 43144304.

40344134 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 (40344131) 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, 9197 + ... + 12855.

It is an arithmetic number, because the mean of its divisors is an integer number (3911625).

Almost surely, 2^40344134 is an apocalyptic number.

40344134 is a deficient number, since it is larger than the sum of its proper divisors (22241866).

40344134 is a wasteful number, since it uses less digits than its factorization.

40344134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 40344134 is about 6351.7032361407. The cubic root of 40344134 is about 342.9731581757.

Adding to 40344134 its reverse (43144304), we get a palindrome (83488438).

The spelling of 40344134 in words is "forty million, three hundred forty-four thousand, one hundred thirty-four".