8000018000010 has 192 divisors, whose sum is σ = 21236651145216. Its totient is φ = 2089074240000.

The previous prime is 8000017999991. The next prime is 8000018000021. The reversal of 8000018000010 is 100008100008.

It is a happy number.

8000018000010 is a nontrivial binomial coefficient, being equal to C(4000005, 2).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 807996060 + ... + 808005960.

It is an arithmetic number, because the mean of its divisors is an integer number (110607558048).

Almost surely, 2^{8000018000010} is an apocalyptic number.

8000018000010 is the 4000004-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8000018000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10618325572608).

8000018000010 is an abundant number, since it is smaller than the sum of its proper divisors (13236633145206).

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

8000018000010 is a wasteful number, since it uses less digits than its factorization.

8000018000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10981 (or 10978 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The spelling of 8000018000010 in words is "eight trillion, eighteen million, ten", and thus it is an aban number and an uban number.