8071328240 has 40 divisors (see below), whose sum is σ = 18817039680. Its totient is φ = 3219722496.

The previous prime is 8071328197. The next prime is 8071328263. The reversal of 8071328240 is 428231708.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 8071328240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108095 + ... + 166814.

It is an arithmetic number, because the mean of its divisors is an integer number (470425992).

Almost surely, 2^8071328240 is an apocalyptic number.

8071328240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8071328240 is an abundant number, since it is smaller than the sum of its proper divisors (10745711440).

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

8071328240 is a wasteful number, since it uses less digits than its factorization.

8071328240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275289 (or 275283 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8071328240 is about 89840.5712359399. The cubic root of 8071328240 is about 2005.9264413007.

Adding to 8071328240 its reverse (428231708), we get a palindrome (8499559948).

The spelling of 8071328240 in words is "eight billion, seventy-one million, three hundred twenty-eight thousand, two hundred forty".