4446644246 has 24 divisors (see below), whose sum is σ = 7361968152. Its totient is φ = 2012788800.

The previous prime is 4446644243. The next prime is 4446644263. The reversal of 4446644246 is 6424466444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4446644197 and 4446644206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4446644243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20201 + ... + 96443.

It is an arithmetic number, because the mean of its divisors is an integer number (306748673).

Almost surely, 2^4446644246 is an apocalyptic number.

4446644246 is a deficient number, since it is larger than the sum of its proper divisors (2915323906).

4446644246 is a wasteful number, since it uses less digits than its factorization.

4446644246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76508 (or 76497 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 44.

The square root of 4446644246 is about 66683.1631373318. The cubic root of 4446644246 is about 1644.4125970035.

The spelling of 4446644246 in words is "four billion, four hundred forty-six million, six hundred forty-four thousand, two hundred forty-six".