4444445555557 has 32 divisors (see below), whose sum is σ = 5151483297792. Its totient is φ = 3755796280704.

The previous prime is 4444445555549. The next prime is 4444445555567. The reversal of 4444445555557 is 7555555444444.

It is a cyclic number.

It is not a de Polignac number, because 4444445555557 - 2³ = 4444445555549 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4444445555495 and 4444445555504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444445555567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415868668 + ... + 415879354.

It is an arithmetic number, because the mean of its divisors is an integer number (160983853056).

Almost surely, 2^{4444445555557} is an apocalyptic number.

It is an amenable number.

4444445555557 is a deficient number, since it is larger than the sum of its proper divisors (707037742235).

4444445555557 is a wasteful number, since it uses less digits than its factorization.

4444445555557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13417.

The product of its digits is 448000000, while the sum is 61.

The spelling of 4444445555557 in words is "four trillion, four hundred forty-four billion, four hundred forty-five million, five hundred fifty-five thousand, five hundred fifty-seven".