40444440004 has 6 divisors (see below), whose sum is σ = 70777770014. Its totient is φ = 20222220000.

The previous prime is 40444439993. The next prime is 40444440013. The reversal of 40444440004 is 40004444404.

40444440004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 21433545604 + 19010894400 = 146402^2 + 137880^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055554997 + ... + 5055555004.

Almost surely, 2^40444440004 is an apocalyptic number.

It is an amenable number.

40444440004 is a deficient number, since it is larger than the sum of its proper divisors (30333330010).

40444440004 is a wasteful number, since it uses less digits than its factorization.

40444440004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111110005 (or 10111110003 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40444440004 its reverse (40004444404), we get a palindrome (80448884408).

The spelling of 40444440004 in words is "forty billion, four hundred forty-four million, four hundred forty thousand, four".