4446462644 has 24 divisors (see below), whose sum is σ = 8574756960. Its totient is φ = 2004486624.

The previous prime is 4446462641. The next prime is 4446462661. The reversal of 4446462644 is 4462646444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4446462595 and 4446462604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4446462641) 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 7 ways as a sum of consecutive naturals, for example, 992054 + ... + 996525.

It is an arithmetic number, because the mean of its divisors is an integer number (357281540).

Almost surely, 2^4446462644 is an apocalyptic number.

It is an amenable number.

4446462644 is a deficient number, since it is larger than the sum of its proper divisors (4128294316).

4446462644 is a wasteful number, since it uses less digits than its factorization.

4446462644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988639 (or 1988637 counting only the distinct ones).

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

The square root of 4446462644 is about 66681.8014453719. The cubic root of 4446462644 is about 1644.3902106326.

The spelling of 4446462644 in words is "four billion, four hundred forty-six million, four hundred sixty-two thousand, six hundred forty-four".