4444040440000 has 140 divisors (see below), whose sum is σ = 12594030482704. Its totient is φ = 1523670912000.

The previous prime is 4444040439907. The next prime is 4444040440003. The reversal of 4444040440000 is 440404444.

It is a tau number, because it is divible by the number of its divisors (140).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (4444040440003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7655787 + ... + 8215786.

Almost surely, 2^{4444040440000} is an apocalyptic number.

4444040440000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444040440000 is an abundant number, since it is smaller than the sum of its proper divisors (8149990042704).

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

4444040440000 is an equidigital number, since it uses as much as digits as its factorization.

4444040440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871612 (or 15871587 counting only the distinct ones).

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

Adding to 4444040440000 its reverse (440404444), we get a palindrome (4444480844444).

The spelling of 4444040440000 in words is "four trillion, four hundred forty-four billion, forty million, four hundred forty thousand".