3858044544 has 144 divisors (see below), whose sum is σ = 11718253170. Its totient is φ = 1218198528.

The previous prime is 3858044513. The next prime is 3858044569. The reversal of 3858044544 is 4454408583.

It can be written as a sum of positive squares in only one way, i.e., 2749953600 + 1108090944 = 52440^2 + 33288^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3858044544.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 411234 + ... + 420510.

Almost surely, 2^3858044544 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 3858044544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5859126585).

3858044544 is an abundant number, since it is smaller than the sum of its proper divisors (7860208626).

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

3858044544 is a wasteful number, since it uses less digits than its factorization.

3858044544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335 (or 9301 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The square root of 3858044544 is about 62113.1591854737. The cubic root of 3858044544 is about 1568.3960716792.

The spelling of 3858044544 in words is "three billion, eight hundred fifty-eight million, forty-four thousand, five hundred forty-four".