40334443 has 4 divisors (see below), whose sum is σ = 40750360. Its totient is φ = 39918528.

The previous prime is 40334429. The next prime is 40334453. The reversal of 40334443 is 34443304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40334443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40334423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207813 + ... + 208006.

It is an arithmetic number, because the mean of its divisors is an integer number (10187590).

Almost surely, 2^40334443 is an apocalyptic number.

40334443 is a deficient number, since it is larger than the sum of its proper divisors (415917).

40334443 is an equidigital number, since it uses as much as digits as its factorization.

40334443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415916.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 40334443 is about 6350.9403240780. The cubic root of 40334443 is about 342.9456942984.

Adding to 40334443 its reverse (34443304), we get a palindrome (74777747).

The spelling of 40334443 in words is "forty million, three hundred thirty-four thousand, four hundred forty-three".