6044442664 has 64 divisors (see below), whose sum is σ = 12639972240. Its totient is φ = 2692085760.

The previous prime is 6044442647. The next prime is 6044442673. The reversal of 6044442664 is 4662444406.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 938196900 + 5106245764 = 30630^2 + 71458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327244 + ... + 345220.

Almost surely, 2^6044442664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6044442664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6319986120).

6044442664 is an abundant number, since it is smaller than the sum of its proper divisors (6595529576).

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

6044442664 is a wasteful number, since it uses less digits than its factorization.

6044442664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18110 (or 18106 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The square root of 6044442664 is about 77746.0138142143. The cubic root of 6044442664 is about 1821.5960985405.

The spelling of 6044442664 in words is "six billion, forty-four million, four hundred forty-two thousand, six hundred sixty-four".