4404440020040 has 16 divisors (see below), whose sum is σ = 9909990045180. Its totient is φ = 1761776008000.

The previous prime is 4404440019977. The next prime is 4404440020061. The reversal of 4404440020040 is 400200444044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3998184206116 + 406255813924 = 1999546^2 + 637382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4404440019991 and 4404440020009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055500211 + ... + 55055500290.

Almost surely, 2^{4404440020040} is an apocalyptic number.

4404440020040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4404440020040 is an abundant number, since it is smaller than the sum of its proper divisors (5505550025140).

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

4404440020040 is a wasteful number, since it uses less digits than its factorization.

4404440020040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110111000512 (or 110111000508 counting only the distinct ones).

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

Adding to 4404440020040 its reverse (400200444044), we get a palindrome (4804640464084).

The spelling of 4404440020040 in words is "four trillion, four hundred four billion, four hundred forty million, twenty thousand, forty".