8081382718390 has 16 divisors (see below), whose sum is σ = 14546524082832. Its totient is φ = 3232545267424.

The previous prime is 8081382718369. The next prime is 8081382718399. The reversal of 8081382718390 is 938172831808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081382718399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255592 + ... + 6616948.

It is an arithmetic number, because the mean of its divisors is an integer number (909157755177).

Almost surely, 2^{8081382718390} is an apocalyptic number.

8081382718390 is a deficient number, since it is larger than the sum of its proper divisors (6465141364442).

8081382718390 is a wasteful number, since it uses less digits than its factorization.

8081382718390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954991.

The product of its (nonzero) digits is 4644864, while the sum is 58.

The spelling of 8081382718390 in words is "eight trillion, eighty-one billion, three hundred eighty-two million, seven hundred eighteen thousand, three hundred ninety".