4004080044040 has 16 divisors (see below), whose sum is σ = 9009180099180. Its totient is φ = 1601632017600.

The previous prime is 4004080044011. The next prime is 4004080044043. The reversal of 4004080044040 is 404400804004.

It can be written as a sum of positive squares in 2 ways, for example, as 3842689837284 + 161390206756 = 1960278^2 + 401734^2 .

It is not an unprimeable number, because it can be changed into a prime (4004080044043) 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, 50051000511 + ... + 50051000590.

Almost surely, 2^{4004080044040} is an apocalyptic number.

4004080044040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4004080044040 is an abundant number, since it is smaller than the sum of its proper divisors (5005100055140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4004080044040 is a wasteful number, since it uses less digits than its factorization.

4004080044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100102001112 (or 100102001108 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4004080044040 its reverse (404400804004), we get a palindrome (4408480848044).

The spelling of 4004080044040 in words is "four trillion, four billion, eighty million, forty-four thousand, forty".