38856487680 has 216 divisors, whose sum is σ = 135270718128. Its totient is φ = 10297663488.

The previous prime is 38856487601. The next prime is 38856487687. The reversal of 38856487680 is 8678465883.

38856487680 is a `hidden beast` number, since 3 + 8 + 8 + 564 + 8 + 7 + 68 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (38856487687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1867414 + ... + 1888106.

Almost surely, 2^38856487680 is an apocalyptic number.

38856487680 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 38856487680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67635359064).

38856487680 is an abundant number, since it is smaller than the sum of its proper divisors (96414230448).

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

38856487680 is a wasteful number, since it uses less digits than its factorization.

38856487680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20883 (or 20866 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 38856487680 in words is "thirty-eight billion, eight hundred fifty-six million, four hundred eighty-seven thousand, six hundred eighty".