8085350640 has 80 divisors (see below), whose sum is σ = 25073395200. Its totient is φ = 2155335936.

The previous prime is 8085350627. The next prime is 8085350659. The reversal of 8085350640 is 460535808.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138621 + ... + 1145699.

It is an arithmetic number, because the mean of its divisors is an integer number (313417440).

Almost surely, 2^8085350640 is an apocalyptic number.

8085350640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8085350640 is an abundant number, since it is smaller than the sum of its proper divisors (16988044560).

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

8085350640 is a wasteful number, since it uses less digits than its factorization.

8085350640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11854 (or 11848 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 8085350640 is about 89918.5778357287. The cubic root of 8085350640 is about 2007.0874079898.

The spelling of 8085350640 in words is "eight billion, eighty-five million, three hundred fifty thousand, six hundred forty".