40044340004 has 12 divisors (see below), whose sum is σ = 74199806604. Its totient is φ = 18844395264.

The previous prime is 40044339991. The next prime is 40044340009. The reversal of 40044340004 is 40004344004.

It can be written as a sum of positive squares in 2 ways, for example, as 37682574400 + 2361765604 = 194120^2 + 48598^2 .

It is not an unprimeable number, because it can be changed into a prime (40044340009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294443609 + ... + 294443744.

It is an arithmetic number, because the mean of its divisors is an integer number (6183317217).

Almost surely, 2^40044340004 is an apocalyptic number.

It is an amenable number.

40044340004 is a deficient number, since it is larger than the sum of its proper divisors (34155466600).

40044340004 is a wasteful number, since it uses less digits than its factorization.

40044340004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588887374 (or 588887372 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 40044340004 its reverse (40004344004), we get a palindrome (80048684008).

The spelling of 40044340004 in words is "forty billion, forty-four million, three hundred forty thousand, four".