440040404001 has 16 divisors (see below), whose sum is σ = 640141318080. Its totient is φ = 266656758720.

The previous prime is 440040403973. The next prime is 440040404009. The reversal of 440040404001 is 100404040044.

It is not a de Polignac number, because 440040404001 - 2⁶ = 440040403937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440040404009) 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 15 ways as a sum of consecutive naturals, for example, 598950 + ... + 1113023.

It is an arithmetic number, because the mean of its divisors is an integer number (40008832380).

Almost surely, 2^440040404001 is an apocalyptic number.

It is an amenable number.

440040404001 is a deficient number, since it is larger than the sum of its proper divisors (200100914079).

440040404001 is a wasteful number, since it uses less digits than its factorization.

440040404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719776.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 440040404001 its reverse (100404040044), we get a palindrome (540444444045).

The spelling of 440040404001 in words is "four hundred forty billion, forty million, four hundred four thousand, one".