440400040004 has 12 divisors (see below), whose sum is σ = 797275934700. Its totient is φ = 212606915808.

The previous prime is 440400039901. The next prime is 440400040061. The reversal of 440400040004 is 400040004044.

It can be written as a sum of positive squares in 2 ways, for example, as 257558280004 + 182841760000 = 507502^2 + 427600^2 .

440400040004 is a modest number, since divided by 40004 gives 4404 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898275919 + ... + 1898276150.

It is an arithmetic number, because the mean of its divisors is an integer number (66439661225).

Almost surely, 2^440400040004 is an apocalyptic number.

It is an amenable number.

440400040004 is a deficient number, since it is larger than the sum of its proper divisors (356875894696).

440400040004 is a wasteful number, since it uses less digits than its factorization.

440400040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796552102 (or 3796552100 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 440400040004 its reverse (400040004044), we get a palindrome (840440044048).

The spelling of 440400040004 in words is "four hundred forty billion, four hundred million, forty thousand, four".