3081445556 has 18 divisors (see below), whose sum is σ = 6272943138. Its totient is φ = 1320619440.

The previous prime is 3081445553. The next prime is 3081445579. The reversal of 3081445556 is 6555441803.

3081445556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1775779600 + 1305665956 = 42140^2 + 36134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081445553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7860635 + ... + 7861026.

It is an arithmetic number, because the mean of its divisors is an integer number (348496841).

Almost surely, 2^3081445556 is an apocalyptic number.

It is an amenable number.

3081445556 is an abundant number, since it is smaller than the sum of its proper divisors (3191497582).

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

3081445556 is a wasteful number, since it uses less digits than its factorization.

3081445556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15721679 (or 15721670 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 3081445556 is about 55510.7697298461. The cubic root of 3081445556 is about 1455.1848556086.

The spelling of 3081445556 in words is "three billion, eighty-one million, four hundred forty-five thousand, five hundred fifty-six".