4436220553544 has 128 divisors (see below), whose sum is σ = 9769097318400. Its totient is φ = 1872406609920.

The previous prime is 4436220553543. The next prime is 4436220553549. The reversal of 4436220553544 is 4453550226344.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (4436220553543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3889544 + ... + 4899080.

It is an arithmetic number, because the mean of its divisors is an integer number (76321072800).

Almost surely, 2^{4436220553544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4436220553544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4884548659200).

4436220553544 is an abundant number, since it is smaller than the sum of its proper divisors (5332876764856).

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

4436220553544 is a wasteful number, since it uses less digits than its factorization.

4436220553544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009663 (or 1009659 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 47.

Adding to 4436220553544 its reverse (4453550226344), we get a palindrome (8889770779888).

The spelling of 4436220553544 in words is "four trillion, four hundred thirty-six billion, two hundred twenty million, five hundred fifty-three thousand, five hundred forty-four".