38863220260128 has 192 divisors, whose sum is σ = 113087598059520. Its totient is φ = 11586949862400.

The previous prime is 38863220260063. The next prime is 38863220260141. The reversal of 38863220260128 is 82106202236883.

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, 58322113 + ... + 58984703.

It is an arithmetic number, because the mean of its divisors is an integer number (588997906560).

Almost surely, 2^{38863220260128} 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 38863220260128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56543799029760).

38863220260128 is an abundant number, since it is smaller than the sum of its proper divisors (74224377799392).

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

38863220260128 is a wasteful number, since it uses less digits than its factorization.

38863220260128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663511 (or 663503 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 38863220260128 in words is "thirty-eight trillion, eight hundred sixty-three billion, two hundred twenty million, two hundred sixty thousand, one hundred twenty-eight".