388949850016 has 192 divisors, whose sum is σ = 948309804288. Its totient is φ = 152918212608.

The previous prime is 388949850011. The next prime is 388949850049. The reversal of 388949850016 is 610058949883.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (388949850011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470313795 + ... + 470314621.

It is an arithmetic number, because the mean of its divisors is an integer number (4939113564).

Almost surely, 2^388949850016 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 388949850016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474154902144).

388949850016 is an abundant number, since it is smaller than the sum of its proper divisors (559359954272).

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

388949850016 is a wasteful number, since it uses less digits than its factorization.

388949850016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 388949850016 in words is "three hundred eighty-eight billion, nine hundred forty-nine million, eight hundred fifty thousand, sixteen".