40443043 has 8 divisors (see below), whose sum is σ = 40880288. Its totient is φ = 40008384.

The previous prime is 40443041. The next prime is 40443047. The reversal of 40443043 is 34034404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40443043 - 2¹ = 40443041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40443041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48730 + ... + 49552.

It is an arithmetic number, because the mean of its divisors is an integer number (5110036).

Almost surely, 2^40443043 is an apocalyptic number.

40443043 is a deficient number, since it is larger than the sum of its proper divisors (437245).

40443043 is a wasteful number, since it uses less digits than its factorization.

40443043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 40443043 is about 6359.4844916864. The cubic root of 40443043 is about 343.2532108466.

Adding to 40443043 its reverse (34034404), we get a palindrome (74477447).

The spelling of 40443043 in words is "forty million, four hundred forty-three thousand, forty-three".