19039540224 has 176 divisors, whose sum is σ = 52007686848. Its totient is φ = 6190399488.

The previous prime is 19039540211. The next prime is 19039540343. The reversal of 19039540224 is 42204593091.

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 15 ways as a sum of consecutive naturals, for example, 54868819 + ... + 54869165.

Almost surely, 2^19039540224 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 19039540224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26003843424).

19039540224 is an abundant number, since it is smaller than the sum of its proper divisors (32968146624).

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

19039540224 is a wasteful number, since it uses less digits than its factorization.

19039540224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 19039540224 in words is "nineteen billion, thirty-nine million, five hundred forty thousand, two hundred twenty-four".