19042051050 has 576 divisors, whose sum is σ = 63614678400. Its totient is φ = 4194892800.

The previous prime is 19042051043. The next prime is 19042051051. The reversal of 19042051050 is 5015024091.

19042051050 is a `hidden beast` number, since 190 + 420 + 5 + 1 + 0 + 50 = 666.

19042051050 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×19042051050³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19042051051) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 656622436 + ... + 656622464.

It is an arithmetic number, because the mean of its divisors is an integer number (110442150).

Almost surely, 2^19042051050 is an apocalyptic number.

19042051050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19042051050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31807339200).

19042051050 is an abundant number, since it is smaller than the sum of its proper divisors (44572627350).

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

19042051050 is a wasteful number, since it uses less digits than its factorization.

19042051050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 19042051050 in words is "nineteen billion, forty-two million, fifty-one thousand, fifty".