388860544650 has 48 divisors (see below), whose sum is σ = 990438331104. Its totient is φ = 100893545280.

The previous prime is 388860544643. The next prime is 388860544693. The reversal of 388860544650 is 56445068883.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35026932 + ... + 35038031.

It is an arithmetic number, because the mean of its divisors is an integer number (20634131898).

Almost surely, 2^388860544650 is an apocalyptic number.

388860544650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

388860544650 is an abundant number, since it is smaller than the sum of its proper divisors (601577786454).

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

388860544650 is a wasteful number, since it uses less digits than its factorization.

388860544650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70065015 (or 70065010 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 388860544650 in words is "three hundred eighty-eight billion, eight hundred sixty million, five hundred forty-four thousand, six hundred fifty".