240128406500 has 48 divisors (see below), whose sum is σ = 547242224256. Its totient is φ = 91875212000.

The previous prime is 240128406377. The next prime is 240128406517. The reversal of 240128406500 is 5604821042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10428866 + ... + 10451865.

It is an arithmetic number, because the mean of its divisors is an integer number (11400879672).

Almost surely, 2^240128406500 is an apocalyptic number.

240128406500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240128406500 is an abundant number, since it is smaller than the sum of its proper divisors (307113817756).

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

240128406500 is a wasteful number, since it uses less digits than its factorization.

240128406500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20880773 (or 20880761 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 240128406500 in words is "two hundred forty billion, one hundred twenty-eight million, four hundred six thousand, five hundred".