4040032443 has 16 divisors (see below), whose sum is σ = 5447415456. Its totient is φ = 2663055360.

The previous prime is 4040032417. The next prime is 4040032471. The reversal of 4040032443 is 3442300404.

It is a happy number.

It is not a de Polignac number, because 4040032443 - 2¹² = 4040028347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4040032343) 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, 329503 + ... + 341543.

It is an arithmetic number, because the mean of its divisors is an integer number (340463466).

Almost surely, 2^4040032443 is an apocalyptic number.

4040032443 is a deficient number, since it is larger than the sum of its proper divisors (1407383013).

4040032443 is a wasteful number, since it uses less digits than its factorization.

4040032443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4040032443 is about 63561.2495393223. The cubic root of 4040032443 is about 1592.6791116426.

Adding to 4040032443 its reverse (3442300404), we get a palindrome (7482332847).

The spelling of 4040032443 in words is "four billion, forty million, thirty-two thousand, four hundred forty-three".