4044440040040 has 16 divisors (see below), whose sum is σ = 9099990090180. Its totient is φ = 1617776016000.

The previous prime is 4044440040023. The next prime is 4044440040041. The reversal of 4044440040040 is 400400444404.

It can be written as a sum of positive squares in 2 ways, for example, as 4021797615364 + 22642424676 = 2005442^2 + 150474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4044440039990 and 4044440040008.

It is not an unprimeable number, because it can be changed into a prime (4044440040041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50555500461 + ... + 50555500540.

Almost surely, 2^{4044440040040} is an apocalyptic number.

4044440040040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044440040040 is an abundant number, since it is smaller than the sum of its proper divisors (5055550050140).

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

4044440040040 is a wasteful number, since it uses less digits than its factorization.

4044440040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101111001012 (or 101111001008 counting only the distinct ones).

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

Adding to 4044440040040 its reverse (400400444404), we get a palindrome (4444840484444).

The spelling of 4044440040040 in words is "four trillion, forty-four billion, four hundred forty million, forty thousand, forty".