8142194051000 has 1024 divisors, whose sum is σ = 22462562304000. Its totient is φ = 2745135360000.

The previous prime is 8142194050979. The next prime is 8142194051003. The reversal of 8142194051000 is 1504912418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142194051003) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 48755652917 + ... + 48755653083.

It is an arithmetic number, because the mean of its divisors is an integer number (21936096000).

Almost surely, 2^{8142194051000} 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 8142194051000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11231281152000).

8142194051000 is an abundant number, since it is smaller than the sum of its proper divisors (14320368253000).

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

8142194051000 is a wasteful number, since it uses less digits than its factorization.

8142194051000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

Adding to 8142194051000 its reverse (1504912418), we get a palindrome (8143698963418).

The spelling of 8142194051000 in words is "eight trillion, one hundred forty-two billion, one hundred ninety-four million, fifty-one thousand".