1996800000 has 360 divisors, whose sum is σ = 7167322512. Its totient is φ = 491520000.

The previous prime is 1996799983. The next prime is 1996800007. The reversal of 1996800000 is 86991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1996800007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153599994 + ... + 153600006.

Almost surely, 2^1996800000 is an apocalyptic number.

1996800000 is a gapful number since it is divisible by the number (10) 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 1996800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583661256).

1996800000 is an abundant number, since it is smaller than the sum of its proper divisors (5170522512).

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

1996800000 is an frugal number, since it uses more digits than its factorization.

1996800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1996800000 is about 44685.5681400606. The cubic root of 1996800000 is about 1259.2487333052.

Adding to 1996800000 its reverse (86991), we get a palindrome (1996886991).

The spelling of 1996800000 in words is "one billion, nine hundred ninety-six million, eight hundred thousand".