444666889158 has 16 divisors (see below), whose sum is σ = 936140819520. Its totient is φ = 140421122856.

The previous prime is 444666889141. The next prime is 444666889201. The reversal of 444666889158 is 851988666444.

It is a junction number, because it is equal to n+sod(n) for n = 444666889092 and 444666889101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1950293260 + ... + 1950293487.

It is an arithmetic number, because the mean of its divisors is an integer number (58508801220).

Almost surely, 2^444666889158 is an apocalyptic number.

444666889158 is an abundant number, since it is smaller than the sum of its proper divisors (491473930362).

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

444666889158 is a wasteful number, since it uses less digits than its factorization.

444666889158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900586771.

The product of its digits is 318504960, while the sum is 69.

The spelling of 444666889158 in words is "four hundred forty-four billion, six hundred sixty-six million, eight hundred eighty-nine thousand, one hundred fifty-eight".