388885325000 has 48 divisors (see below), whose sum is σ = 911391706260. Its totient is φ = 155554120000.

The previous prime is 388885324999. The next prime is 388885325011. The reversal of 388885325000 is 523588883.

It can be written as a sum of positive squares in 6 ways, for example, as 67915487236 + 320969837764 = 260606^2 + 566542^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 388885325000.

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 11 ways as a sum of consecutive naturals, for example, 7752707 + ... + 7802706.

Almost surely, 2^388885325000 is an apocalyptic number.

It is an amenable number.

388885325000 is an abundant number, since it is smaller than the sum of its proper divisors (522506381260).

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

388885325000 is an equidigital number, since it uses as much as digits as its factorization.

388885325000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555444 (or 15555420 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 388885325000 in words is "three hundred eighty-eight billion, eight hundred eighty-five million, three hundred twenty-five thousand".