388690874208 has 960 divisors, whose sum is σ = 1516169571840. Its totient is φ = 94810963968.

The previous prime is 388690874183. The next prime is 388690874213. The reversal of 388690874208 is 802478096883.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 192706416 + ... + 192708432.

It is an arithmetic number, because the mean of its divisors is an integer number (1579343304).

Almost surely, 2^388690874208 is an apocalyptic number.

388690874208 is a gapful number since it is divisible by the number (38) 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 388690874208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758084785920).

388690874208 is an abundant number, since it is smaller than the sum of its proper divisors (1127478697632).

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

388690874208 is a wasteful number, since it uses less digits than its factorization.

388690874208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 388690874208 in words is "three hundred eighty-eight billion, six hundred ninety million, eight hundred seventy-four thousand, two hundred eight".