388443788404 has 96 divisors (see below), whose sum is σ = 867049021440. Its totient is φ = 148236480000.

The previous prime is 388443788393. The next prime is 388443788437. The reversal of 388443788404 is 404887344883.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6763449 + ... + 6820639.

It is an arithmetic number, because the mean of its divisors is an integer number (9031760640).

Almost surely, 2^388443788404 is an apocalyptic number.

388443788404 is a gapful number since it is divisible by the number (34) 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 388443788404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433524510720).

388443788404 is an abundant number, since it is smaller than the sum of its proper divisors (478605233036).

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

388443788404 is a wasteful number, since it uses less digits than its factorization.

388443788404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57989 (or 57987 counting only the distinct ones).

The product of its (nonzero) digits is 66060288, while the sum is 61.

The spelling of 388443788404 in words is "three hundred eighty-eight billion, four hundred forty-three million, seven hundred eighty-eight thousand, four hundred four".