4448818944 has 144 divisors (see below), whose sum is σ = 13930187040. Its totient is φ = 1395671040.

The previous prime is 4448818919. The next prime is 4448818991. The reversal of 4448818944 is 4498188444.

4448818944 is a `hidden beast` number, since 4 + 448 + 81 + 89 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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, 98574 + ... + 136434.

It is an arithmetic number, because the mean of its divisors is an integer number (96737410).

Almost surely, 2^4448818944 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 4448818944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6965093520).

4448818944 is an abundant number, since it is smaller than the sum of its proper divisors (9481368096).

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

4448818944 is a wasteful number, since it uses less digits than its factorization.

4448818944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37903 (or 37883 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 54.

The square root of 4448818944 is about 66699.4673442000. The cubic root of 4448818944 is about 1644.6806281872.

The spelling of 4448818944 in words is "four billion, four hundred forty-eight million, eight hundred eighteen thousand, nine hundred forty-four".