19496947200 has 240 divisors, whose sum is σ = 65232372480. Its totient is φ = 5132574720.

The previous prime is 19496947159. The next prime is 19496947219. The reversal of 19496947200 is 274969491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

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, 3030387 + ... + 3036813.

It is an arithmetic number, because the mean of its divisors is an integer number (271801552).

Almost surely, 2^19496947200 is an apocalyptic number.

19496947200 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 19496947200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32616186240).

19496947200 is an abundant number, since it is smaller than the sum of its proper divisors (45735425280).

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

19496947200 is an equidigital number, since it uses as much as digits as its factorization.

19496947200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537 (or 6516 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 19496947200 in words is "nineteen billion, four hundred ninety-six million, nine hundred forty-seven thousand, two hundred".