8686331040 has 96 divisors (see below), whose sum is σ = 27374832576. Its totient is φ = 2315264000.

The previous prime is 8686331039. The next prime is 8686331063. The reversal of 8686331040 is 401336868.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 8686331040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1918219 + ... + 1922741.

It is an arithmetic number, because the mean of its divisors is an integer number (285154506).

Almost surely, 2^8686331040 is an apocalyptic number.

8686331040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8686331040 is an abundant number, since it is smaller than the sum of its proper divisors (18688501536).

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

8686331040 is a wasteful number, since it uses less digits than its factorization.

8686331040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542 (or 8534 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 8686331040 is about 93200.4884107374. The cubic root of 8686331040 is about 2055.6324217838.

The spelling of 8686331040 in words is "eight billion, six hundred eighty-six million, three hundred thirty-one thousand, forty".