3881132544 has 80 divisors (see below), whose sum is σ = 10673245440. Its totient is φ = 1251962880.

The previous prime is 3881132543. The next prime is 3881132557. The reversal of 3881132544 is 4452311883.

It is not an unprimeable number, because it can be changed into a prime (3881132543) 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, 6862 + ... + 88370.

It is an arithmetic number, because the mean of its divisors is an integer number (133415568).

Almost surely, 2^3881132544 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 3881132544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5336622720).

3881132544 is an abundant number, since it is smaller than the sum of its proper divisors (6792112896).

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

3881132544 is an equidigital number, since it uses as much as digits as its factorization.

3881132544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81561 (or 81545 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 3881132544 is about 62298.7362953696. The cubic root of 3881132544 is about 1571.5184767893.

The spelling of 3881132544 in words is "three billion, eight hundred eighty-one million, one hundred thirty-two thousand, five hundred forty-four".