440401043 has 4 divisors (see below), whose sum is σ = 446434008. Its totient is φ = 434368080.

The previous prime is 440401007. The next prime is 440401051. The reversal of 440401043 is 340104044.

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

It is a cyclic number.

It is not a de Polignac number, because 440401043 - 2²² = 436206739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440401543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3016373 + ... + 3016518.

It is an arithmetic number, because the mean of its divisors is an integer number (111608502).

Almost surely, 2^440401043 is an apocalyptic number.

440401043 is a deficient number, since it is larger than the sum of its proper divisors (6032965).

440401043 is an equidigital number, since it uses as much as digits as its factorization.

440401043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032964.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440401043 is about 20985.7342735488. The cubic root of 440401043 is about 760.8215049291.

Adding to 440401043 its reverse (340104044), we get a palindrome (780505087).

The spelling of 440401043 in words is "four hundred forty million, four hundred one thousand, forty-three".