388223861904 has 200 divisors, whose sum is σ = 1179544861440. Its totient is φ = 123110150400.

The previous prime is 388223861887. The next prime is 388223861939. The reversal of 388223861904 is 409168322883.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2288494 + ... + 2452274.

Almost surely, 2^388223861904 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 388223861904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589772430720).

388223861904 is an abundant number, since it is smaller than the sum of its proper divisors (791320999536).

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

388223861904 is a wasteful number, since it uses less digits than its factorization.

388223861904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163891 (or 163876 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 388223861904 in words is "three hundred eighty-eight billion, two hundred twenty-three million, eight hundred sixty-one thousand, nine hundred four".