1908884768 has 144 divisors (see below), whose sum is σ = 4558788864. Its totient is φ = 783659520.

The previous prime is 1908884753. The next prime is 1908884779. The reversal of 1908884768 is 8674888091.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8409071 + ... + 8409297.

It is an arithmetic number, because the mean of its divisors is an integer number (31658256).

Almost surely, 2^1908884768 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 1908884768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279394432).

1908884768 is an abundant number, since it is smaller than the sum of its proper divisors (2649904096).

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

1908884768 is a wasteful number, since it uses less digits than its factorization.

1908884768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 59.

The square root of 1908884768 is about 43690.7858478192. The cubic root of 1908884768 is about 1240.4899139404.

The spelling of 1908884768 in words is "one billion, nine hundred eight million, eight hundred eighty-four thousand, seven hundred sixty-eight".