8144738515000 has 80 divisors (see below), whose sum is σ = 19085378380200. Its totient is φ = 3257510256000.

The previous prime is 8144738514947. The next prime is 8144738515019. The reversal of 8144738515000 is 5158374418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44243146 + ... + 44426854.

Almost surely, 2^{8144738515000} 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 8144738515000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9542689190100).

8144738515000 is an abundant number, since it is smaller than the sum of its proper divisors (10940639865200).

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

8144738515000 is a wasteful number, since it uses less digits than its factorization.

8144738515000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192602 (or 192583 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 8144738515000 in words is "eight trillion, one hundred forty-four billion, seven hundred thirty-eight million, five hundred fifteen thousand".