4144401623344 has 40 divisors (see below), whose sum is σ = 8379092632320. Its totient is φ = 1982059303488.

The previous prime is 4144401623267. The next prime is 4144401623353. The reversal of 4144401623344 is 4433261044414.

It is a junction number, because it is equal to n+sod(n) for n = 4144401623297 and 4144401623306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20058837 + ... + 20264395.

It is an arithmetic number, because the mean of its divisors is an integer number (209477315808).

Almost surely, 2^{4144401623344} is an apocalyptic number.

It is an amenable number.

4144401623344 is an abundant number, since it is smaller than the sum of its proper divisors (4234691008976).

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

4144401623344 is a wasteful number, since it uses less digits than its factorization.

4144401623344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260377 (or 260371 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 4144401623344 its reverse (4433261044414), we get a palindrome (8577662667758).

The spelling of 4144401623344 in words is "four trillion, one hundred forty-four billion, four hundred one million, six hundred twenty-three thousand, three hundred forty-four".