1999910304 has 288 divisors, whose sum is σ = 6869439360. Its totient is φ = 564350976.

The previous prime is 1999910299. The next prime is 1999910317. The reversal of 1999910304 is 4030199991.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 1999910304.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4106349 + ... + 4106835.

It is an arithmetic number, because the mean of its divisors is an integer number (23852220).

Almost surely, 2^1999910304 is an apocalyptic number.

1999910304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1999910304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3434719680).

1999910304 is an abundant number, since it is smaller than the sum of its proper divisors (4869529056).

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

1999910304 is a wasteful number, since it uses less digits than its factorization.

1999910304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 1999910304 is about 44720.3567069852. The cubic root of 1999910304 is about 1259.9022146335.

It can be divided in two parts, 19999 and 10304, that added together give a palindrome (30303).

The spelling of 1999910304 in words is "one billion, nine hundred ninety-nine million, nine hundred ten thousand, three hundred four".