3081444128 has 48 divisors (see below), whose sum is σ = 6950913984. Its totient is φ = 1317254400.

The previous prime is 3081444103. The next prime is 3081444137. The reversal of 3081444128 is 8214441803.

3081444128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71603 + ... + 106253.

It is an arithmetic number, because the mean of its divisors is an integer number (144810708).

Almost surely, 2^3081444128 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 3081444128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3475456992).

3081444128 is an abundant number, since it is smaller than the sum of its proper divisors (3869469856).

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

3081444128 is a wasteful number, since it uses less digits than its factorization.

3081444128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35065 (or 35057 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 3081444128 is about 55510.7568674757. The cubic root of 3081444128 is about 1455.1846308219.

The spelling of 3081444128 in words is "three billion, eighty-one million, four hundred forty-four thousand, one hundred twenty-eight".