19468512000 has 1440 divisors, whose sum is σ = 87968200320. Its totient is φ = 4180377600.

The previous prime is 19468511957. The next prime is 19468512001. The reversal of 19468512000 is 21586491.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (19468512001) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 526175982 + ... + 526176018.

It is an arithmetic number, because the mean of its divisors is an integer number (61089028).

Almost surely, 2^19468512000 is an apocalyptic number.

19468512000 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 19468512000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43984100160).

19468512000 is an abundant number, since it is smaller than the sum of its proper divisors (68499688320).

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

19468512000 is an equidigital number, since it uses as much as digits as its factorization.

19468512000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 19468512000 in words is "nineteen billion, four hundred sixty-eight million, five hundred twelve thousand".