400000044044 has 6 divisors (see below), whose sum is σ = 700000077084. Its totient is φ = 200000022020.

The previous prime is 400000043987. The next prime is 400000044047. The reversal of 400000044044 is 440440000004.

It is not an unprimeable number, because it can be changed into a prime (400000044047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000005502 + ... + 50000005509.

It is an arithmetic number, because the mean of its divisors is an integer number (116666679514).

Almost surely, 2^400000044044 is an apocalyptic number.

It is an amenable number.

400000044044 is a deficient number, since it is larger than the sum of its proper divisors (300000033040).

400000044044 is a wasteful number, since it uses less digits than its factorization.

400000044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100000011015 (or 100000011013 counting only the distinct ones).

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

Adding to 400000044044 its reverse (440440000004), we get a palindrome (840440044048).

The spelling of 400000044044 in words is "four hundred billion, forty-four thousand, forty-four".