4444468986 has 64 divisors (see below), whose sum is σ = 9441681408. Its totient is φ = 1391805888.

The previous prime is 4444468981. The next prime is 4444469017. The reversal of 4444468986 is 6898644444.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4444468981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5149591 + ... + 5150453.

It is an arithmetic number, because the mean of its divisors is an integer number (147526272).

Almost surely, 2^4444468986 is an apocalyptic number.

4444468986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4444468986 is an abundant number, since it is smaller than the sum of its proper divisors (4997212422).

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

4444468986 is a wasteful number, since it uses less digits than its factorization.

4444468986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515.

The product of its digits is 21233664, while the sum is 57.

The square root of 4444468986 is about 66666.8507280792. The cubic root of 4444468986 is about 1644.1444091154.

The spelling of 4444468986 in words is "four billion, four hundred forty-four million, four hundred sixty-eight thousand, nine hundred eighty-six".