4044040004240 has 40 divisors (see below), whose sum is σ = 9402488347320. Its totient is φ = 1617599599616.

The previous prime is 4044040004201. The next prime is 4044040004321. The reversal of 4044040004240 is 424000404404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1350709504 + 4042689294736 = 36752^2 + 2010644^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10472516 + ... + 10851804.

It is an arithmetic number, because the mean of its divisors is an integer number (235062208683).

Almost surely, 2^{4044040004240} is an apocalyptic number.

4044040004240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044040004240 is an abundant number, since it is smaller than the sum of its proper divisors (5358448343080).

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

4044040004240 is a wasteful number, since it uses less digits than its factorization.

4044040004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512579 (or 512573 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 4044040004240 its reverse (424000404404), we get a palindrome (4468040408644).

The spelling of 4044040004240 in words is "four trillion, forty-four billion, forty million, four thousand, two hundred forty".