4444170642 has 54 divisors (see below), whose sum is σ = 10174804263. Its totient is φ = 1401725304.

The previous prime is 4444170641. The next prime is 4444170659. The reversal of 4444170642 is 2460714444.

4444170642 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 1 + 7 + 0 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2222085321 + 2222085321 = 47139^2 + 47139^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=47139.

It is a junction number, because it is equal to n+sod(n) for n = 4444170597 and 4444170606.

It is not an unprimeable number, because it can be changed into a prime (4444170641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5373433 + ... + 5374259.

Almost surely, 2^4444170642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4444170642

4444170642 is an abundant number, since it is smaller than the sum of its proper divisors (5730633621).

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

4444170642 is an equidigital number, since it uses as much as digits as its factorization.

4444170642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The square root of 4444170642 is about 66664.6131167053. The cubic root of 4444170642 is about 1644.1076194489.

The spelling of 4444170642 in words is "four billion, four hundred forty-four million, one hundred seventy thousand, six hundred forty-two".