4544428244455 has 16 divisors (see below), whose sum is σ = 5951045697408. Its totient is φ = 3303940948000.

The previous prime is 4544428244453. The next prime is 4544428244459. The reversal of 4544428244455 is 5544428244454.

It is not a de Polignac number, because 4544428244455 - 2¹ = 4544428244453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4544428244396 and 4544428244405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544428244453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13555081 + ... + 13886290.

It is an arithmetic number, because the mean of its divisors is an integer number (371940356088).

Almost surely, 2^{4544428244455} is an apocalyptic number.

4544428244455 is a deficient number, since it is larger than the sum of its proper divisors (1406617452953).

4544428244455 is a wasteful number, since it uses less digits than its factorization.

4544428244455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27444398.

The product of its digits is 65536000, while the sum is 55.

Subtracting 4544428244455 from its reverse (5544428244454), we obtain a palindrome (999999999999).

The spelling of 4544428244455 in words is "four trillion, five hundred forty-four billion, four hundred twenty-eight million, two hundred forty-four thousand, four hundred fifty-five".