38461648808 has 64 divisors (see below), whose sum is σ = 81613008000. Its totient is φ = 16832300800.

The previous prime is 38461648789. The next prime is 38461648831. The reversal of 38461648808 is 80884616483.

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, 895178 + ... + 937158.

It is an arithmetic number, because the mean of its divisors is an integer number (1275203250).

Almost surely, 2^38461648808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38461648808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40806504000).

38461648808 is an abundant number, since it is smaller than the sum of its proper divisors (43151359192).

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

38461648808 is a wasteful number, since it uses less digits than its factorization.

38461648808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42386 (or 42382 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 56.

The spelling of 38461648808 in words is "thirty-eight billion, four hundred sixty-one million, six hundred forty-eight thousand, eight hundred eight".