19472780000024 has 192 divisors, whose sum is σ = 42787928620800. Its totient is φ = 8275337021952.

The previous prime is 19472779999999. The next prime is 19472780000027. The reversal of 19472780000024 is 42000008727491.

It is a self number, because there is not a number n which added to its sum of digits gives 19472780000024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19472780000027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 919080359 + ... + 919101545.

It is an arithmetic number, because the mean of its divisors is an integer number (222853794900).

Almost surely, 2^{19472780000024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19472780000024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21393964310400).

19472780000024 is an abundant number, since it is smaller than the sum of its proper divisors (23315148620776).

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

19472780000024 is a wasteful number, since it uses less digits than its factorization.

19472780000024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22242 (or 22225 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 19472780000024 in words is "nineteen trillion, four hundred seventy-two billion, seven hundred eighty million, twenty-four", and thus it is an aban number.