44444455555558 has 4 divisors (see below), whose sum is σ = 66666683333340. Its totient is φ = 22222227777778.

The previous prime is 44444455555541. The next prime is 44444455555567. The reversal of 44444455555558 is 85555555444444.

44444455555558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×44444455555558³ (a number of 42 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44444455555493 and 44444455555502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111113888888 + ... + 11111113888891.

It is an arithmetic number, because the mean of its divisors is an integer number (16666670833335).

Almost surely, 2^{44444455555558} is an apocalyptic number.

44444455555558 is a deficient number, since it is larger than the sum of its proper divisors (22222227777782).

44444455555558 is a wasteful number, since it uses less digits than its factorization.

44444455555558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222227777781.

The product of its digits is 2560000000, while the sum is 67.

The spelling of 44444455555558 in words is "forty-four trillion, four hundred forty-four billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-eight".