38664686880 has 192 divisors, whose sum is σ = 142449148800. Its totient is φ = 9767900160.

The previous prime is 38664686849. The next prime is 38664686917. The reversal of 38664686880 is 8868646683.

38664686880 is a `hidden beast` number, since 38 + 6 + 6 + 468 + 68 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153451 + ... + 317610.

It is an arithmetic number, because the mean of its divisors is an integer number (741922650).

Almost surely, 2^38664686880 is an apocalyptic number.

38664686880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38664686880 is an abundant number, since it is smaller than the sum of its proper divisors (103784461920).

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

38664686880 is a wasteful number, since it uses less digits than its factorization.

38664686880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471104 (or 471090 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 63.

The spelling of 38664686880 in words is "thirty-eight billion, six hundred sixty-four million, six hundred eighty-six thousand, eight hundred eighty".