3888810728250 has 384 divisors, whose sum is σ = 12078829631232. Its totient is φ = 827947008000.

The previous prime is 3888810728237. The next prime is 3888810728269. The reversal of 3888810728250 is 528270188883.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 60568665 + ... + 60632835.

It is an arithmetic number, because the mean of its divisors is an integer number (31455285498).

Almost surely, 2^{3888810728250} is an apocalyptic number.

3888810728250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3888810728250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6039414815616).

3888810728250 is an abundant number, since it is smaller than the sum of its proper divisors (8190018902982).

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

3888810728250 is a wasteful number, since it uses less digits than its factorization.

3888810728250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64319 (or 64302 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 60.

The spelling of 3888810728250 in words is "three trillion, eight hundred eighty-eight billion, eight hundred ten million, seven hundred twenty-eight thousand, two hundred fifty".