19017485424 has 160 divisors (see below), whose sum is σ = 62489095680. Its totient is φ = 5424537600.

The previous prime is 19017485419. The next prime is 19017485437. The reversal of 19017485424 is 42458471091.

19017485424 is a `hidden beast` number, since 1 + 90 + 17 + 4 + 8 + 542 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19017485424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1933479 + ... + 1943289.

It is an arithmetic number, because the mean of its divisors is an integer number (390556848).

Almost surely, 2^19017485424 is an apocalyptic number.

19017485424 is a gapful number since it is divisible by the number (14) 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 19017485424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31244547840).

19017485424 is an abundant number, since it is smaller than the sum of its proper divisors (43471610256).

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

19017485424 is a wasteful number, since it uses less digits than its factorization.

19017485424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476 (or 10464 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 19017485424 in words is "nineteen billion, seventeen million, four hundred eighty-five thousand, four hundred twenty-four".