388185481200 has 480 divisors, whose sum is σ = 1430337024000. Its totient is φ = 89002368000.

The previous prime is 388185481199. The next prime is 388185481223. The reversal of 388185481200 is 2184581883.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 388185481200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228477951 + ... + 228479649.

It is an arithmetic number, because the mean of its divisors is an integer number (2979868800).

Almost surely, 2^388185481200 is an apocalyptic number.

388185481200 is a gapful number since it is divisible by the number (30) 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 388185481200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715168512000).

388185481200 is an abundant number, since it is smaller than the sum of its proper divisors (1042151542800).

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

388185481200 is a wasteful number, since it uses less digits than its factorization.

388185481200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The spelling of 388185481200 in words is "three hundred eighty-eight billion, one hundred eighty-five million, four hundred eighty-one thousand, two hundred".