388934017320 has 64 divisors (see below), whose sum is σ = 1168769891520. Its totient is φ = 103540818944.

The previous prime is 388934017309. The next prime is 388934017327. The reversal of 388934017320 is 23710439883.

It is a self number, because there is not a number n which added to its sum of digits gives 388934017320.

It is not an unprimeable number, because it can be changed into a prime (388934017327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2661654 + ... + 2803973.

It is an arithmetic number, because the mean of its divisors is an integer number (18262029555).

Almost surely, 2^388934017320 is an apocalyptic number.

388934017320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

388934017320 is an abundant number, since it is smaller than the sum of its proper divisors (779835874200).

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

388934017320 is a wasteful number, since it uses less digits than its factorization.

388934017320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466234 (or 5466230 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 388934017320 in words is "three hundred eighty-eight billion, nine hundred thirty-four million, seventeen thousand, three hundred twenty".