4044400022440 has 32 divisors (see below), whose sum is σ = 9101857016160. Its totient is φ = 1617412104000.

The previous prime is 4044400022389. The next prime is 4044400022473. The reversal of 4044400022440 is 442200044404.

4044400022440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4044400022399 and 4044400022408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10683666 + ... + 11055745.

It is an arithmetic number, because the mean of its divisors is an integer number (284433031755).

Almost surely, 2^{4044400022440} is an apocalyptic number.

4044400022440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044400022440 is an abundant number, since it is smaller than the sum of its proper divisors (5057456993720).

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

4044400022440 is a wasteful number, since it uses less digits than its factorization.

4044400022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21744073 (or 21744069 counting only the distinct ones).

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

Adding to 4044400022440 its reverse (442200044404), we get a palindrome (4486600066844).

The spelling of 4044400022440 in words is "four trillion, forty-four billion, four hundred million, twenty-two thousand, four hundred forty".