3109908144 has 120 divisors (see below), whose sum is σ = 9690689280. Its totient is φ = 841746816.

The previous prime is 3109908089. The next prime is 3109908181. The reversal of 3109908144 is 4418099013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108477 + ... + 134115.

It is an arithmetic number, because the mean of its divisors is an integer number (80755744).

Almost surely, 2^3109908144 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 3109908144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4845344640).

3109908144 is an abundant number, since it is smaller than the sum of its proper divisors (6580781136).

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

3109908144 is a wasteful number, since it uses less digits than its factorization.

3109908144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25695 (or 25670 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 3109908144 is about 55766.5504043418. The cubic root of 3109908144 is about 1459.6515312718.

The spelling of 3109908144 in words is "three billion, one hundred nine million, nine hundred eight thousand, one hundred forty-four".