4404544464 has 80 divisors (see below), whose sum is σ = 11817815040. Its totient is φ = 1412545920.

The previous prime is 4404544453. The next prime is 4404544477. The reversal of 4404544464 is 4644454044.

It is a congruent number.

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, 116559 + ... + 149649.

It is an arithmetic number, because the mean of its divisors is an integer number (147722688).

Almost surely, 2^4404544464 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 4404544464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5908907520).

4404544464 is an abundant number, since it is smaller than the sum of its proper divisors (7413270576).

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

4404544464 is a wasteful number, since it uses less digits than its factorization.

4404544464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33208 (or 33202 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 39.

The square root of 4404544464 is about 66366.7421529790. The cubic root of 4404544464 is about 1639.2064949708.

The spelling of 4404544464 in words is "four billion, four hundred four million, five hundred forty-four thousand, four hundred sixty-four".