388424316450 has 48 divisors (see below), whose sum is σ = 966769997760. Its totient is φ = 103205872320.

The previous prime is 388424316439. The next prime is 388424316479. The reversal of 388424316450 is 54613424883.

It is a self number, because there is not a number n which added to its sum of digits gives 388424316450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4632630 + ... + 4715729.

It is an arithmetic number, because the mean of its divisors is an integer number (20141041620).

Almost surely, 2^388424316450 is an apocalyptic number.

388424316450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

388424316450 is an abundant number, since it is smaller than the sum of its proper divisors (578345681310).

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

388424316450 is a wasteful number, since it uses less digits than its factorization.

388424316450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348651 (or 9348646 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 388424316450 in words is "three hundred eighty-eight billion, four hundred twenty-four million, three hundred sixteen thousand, four hundred fifty".