3281608044 has 144 divisors (see below), whose sum is σ = 10060237824. Its totient is φ = 888278400.

The previous prime is 3281608019. The next prime is 3281608063. The reversal of 3281608044 is 4408061823.

3281608044 is a `hidden beast` number, since 3 + 2 + 8 + 1 + 608 + 0 + 44 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149307 + ... + 169869.

Almost surely, 2^3281608044 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 3281608044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5030118912).

3281608044 is an abundant number, since it is smaller than the sum of its proper divisors (6778629780).

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

3281608044 is a wasteful number, since it uses less digits than its factorization.

3281608044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628 (or 20623 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 3281608044 is about 57285.3213659485. The cubic root of 3281608044 is about 1486.0345353829.

Adding to 3281608044 its reverse (4408061823), we get a palindrome (7689669867).

The spelling of 3281608044 in words is "three billion, two hundred eighty-one million, six hundred eight thousand, forty-four".