40443134 has 32 divisors (see below), whose sum is σ = 66718080. Its totient is φ = 18319392.

The previous prime is 40443133. The next prime is 40443149. The reversal of 40443134 is 43134404.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86369 + ... + 86835.

It is an arithmetic number, because the mean of its divisors is an integer number (2084940).

Almost surely, 2^40443134 is an apocalyptic number.

40443134 is a deficient number, since it is larger than the sum of its proper divisors (26274946).

40443134 is a wasteful number, since it uses less digits than its factorization.

40443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

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

The square root of 40443134 is about 6359.4916463504. The cubic root of 40443134 is about 343.2534682952.

Adding to 40443134 its reverse (43134404), we get a palindrome (83577538).

The spelling of 40443134 in words is "forty million, four hundred forty-three thousand, one hundred thirty-four".