4440040440040 has 64 divisors (see below), whose sum is σ = 10335679218000. Its totient is φ = 1714591334400.

The previous prime is 4440040440007. The next prime is 4440040440041. The reversal of 4440040440040 is 400440400444.

It can be written as a sum of positive squares in 8 ways, for example, as 3157878269764 + 1282162170276 = 1777042^2 + 1132326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4440040439990 and 4440040440008.

It is not an unprimeable number, because it can be changed into a prime (4440040440041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10937826 + ... + 11336494.

Almost surely, 2^{4440040440040} is an apocalyptic number.

4440040440040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440040440040 is an abundant number, since it is smaller than the sum of its proper divisors (5895638777960).

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

4440040440040 is a wasteful number, since it uses less digits than its factorization.

4440040440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408310 (or 408306 counting only the distinct ones).

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

Adding to 4440040440040 its reverse (400440400444), we get a palindrome (4840480840484).

The spelling of 4440040440040 in words is "four trillion, four hundred forty billion, forty million, four hundred forty thousand, forty".