840032041 has 4 divisors (see below), whose sum is σ = 844673284. Its totient is φ = 835390800.

The previous prime is 840032023. The next prime is 840032057. The reversal of 840032041 is 140230048.

840032041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99920016 + 740112025 = 9996^2 + 27205^2 .

It is a cyclic number.

It is not a de Polignac number, because 840032041 - 2¹⁵ = 839999273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840032021) 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, 2320350 + ... + 2320711.

It is an arithmetic number, because the mean of its divisors is an integer number (211168321).

Almost surely, 2^840032041 is an apocalyptic number.

It is an amenable number.

840032041 is a deficient number, since it is larger than the sum of its proper divisors (4641243).

840032041 is a wasteful number, since it uses less digits than its factorization.

840032041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641242.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 840032041 is about 28983.3062468725. The cubic root of 840032041 is about 943.5507927070.

Adding to 840032041 its reverse (140230048), we get a palindrome (980262089).

The spelling of 840032041 in words is "eight hundred forty million, thirty-two thousand, forty-one".