19848051600 has 240 divisors, whose sum is σ = 68938296000. Its totient is φ = 4852316160.

The previous prime is 19848051581. The next prime is 19848051623. The reversal of 19848051600 is 615084891.

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

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, 2320131 + ... + 2328669.

It is an arithmetic number, because the mean of its divisors is an integer number (287242900).

Almost surely, 2^19848051600 is an apocalyptic number.

19848051600 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 19848051600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34469148000).

19848051600 is an abundant number, since it is smaller than the sum of its proper divisors (49090244400).

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

19848051600 is a wasteful number, since it uses less digits than its factorization.

19848051600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722 (or 8711 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 19848051600 in words is "nineteen billion, eight hundred forty-eight million, fifty-one thousand, six hundred".