19039060428 has 96 divisors (see below), whose sum is σ = 49153789440. Its totient is φ = 5708736000.

The previous prime is 19039060387. The next prime is 19039060429. The reversal of 19039060428 is 82406093091.

It is a self number, because there is not a number n which added to its sum of digits gives 19039060428.

It is not an unprimeable number, because it can be changed into a prime (19039060429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705178 + ... + 731678.

It is an arithmetic number, because the mean of its divisors is an integer number (512018640).

Almost surely, 2^19039060428 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 19039060428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24576894720).

19039060428 is an abundant number, since it is smaller than the sum of its proper divisors (30114729012).

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

19039060428 is a wasteful number, since it uses less digits than its factorization.

19039060428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26687 (or 26685 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 19039060428 in words is "nineteen billion, thirty-nine million, sixty thousand, four hundred twenty-eight".