4400355121244 has 24 divisors (see below), whose sum is σ = 7753272188928. Its totient is φ = 2185140711600.

The previous prime is 4400355121229. The next prime is 4400355121271. The reversal of 4400355121244 is 4421215530044.

It is a happy number.

It is a congruent number.

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, 2066069 + ... + 3615155.

It is an arithmetic number, because the mean of its divisors is an integer number (323053007872).

Almost surely, 2^{4400355121244} is an apocalyptic number.

It is an amenable number.

4400355121244 is a deficient number, since it is larger than the sum of its proper divisors (3352917067684).

4400355121244 is a wasteful number, since it uses less digits than its factorization.

4400355121244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553945 (or 1553943 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 4400355121244 in words is "four trillion, four hundred billion, three hundred fifty-five million, one hundred twenty-one thousand, two hundred forty-four".