3936118680 has 192 divisors, whose sum is σ = 13983147360. Its totient is φ = 954353664.

The previous prime is 3936118657. The next prime is 3936118759. The reversal of 3936118680 is 868116393.

It is a happy number.

3936118680 is a `hidden beast` number, since 39 + 361 + 186 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 307284 + ... + 319836.

Almost surely, 2^3936118680 is an apocalyptic number.

3936118680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3936118680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6991573680).

3936118680 is an abundant number, since it is smaller than the sum of its proper divisors (10047028680).

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

3936118680 is a wasteful number, since it uses less digits than its factorization.

3936118680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650 (or 12643 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 3936118680 is about 62738.4944033565. The cubic root of 3936118680 is about 1578.9052235558.

The spelling of 3936118680 in words is "three billion, nine hundred thirty-six million, one hundred eighteen thousand, six hundred eighty".