44444455555559 has 4 divisors (see below), whose sum is σ = 44667794528400. Its totient is φ = 44221116582720.

The previous prime is 44444455555541. The next prime is 44444455555567. The reversal of 44444455555559 is 95555555444444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44444455555559 - 2³⁶ = 44375736078823 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444455555589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111669486122 + ... + 111669486519.

It is an arithmetic number, because the mean of its divisors is an integer number (11166948632100).

Almost surely, 2^{44444455555559} is an apocalyptic number.

44444455555559 is a deficient number, since it is larger than the sum of its proper divisors (223338972841).

44444455555559 is a wasteful number, since it uses less digits than its factorization.

44444455555559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223338972840.

The product of its digits is 2880000000, while the sum is 68.

The spelling of 44444455555559 in words is "forty-four trillion, four hundred forty-four billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-nine".