388963249620 has 384 divisors, whose sum is σ = 1296391219200. Its totient is φ = 86108313600.

The previous prime is 388963249613. The next prime is 388963249663. The reversal of 388963249620 is 26942369883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 50569975 + ... + 50577665.

It is an arithmetic number, because the mean of its divisors is an integer number (3376018800).

Almost surely, 2^388963249620 is an apocalyptic number.

388963249620 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 388963249620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648195609600).

388963249620 is an abundant number, since it is smaller than the sum of its proper divisors (907427969580).

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

388963249620 is a wasteful number, since it uses less digits than its factorization.

388963249620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879 (or 7877 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 388963249620 in words is "three hundred eighty-eight billion, nine hundred sixty-three million, two hundred forty-nine thousand, six hundred twenty".