240643355300 has 144 divisors (see below), whose sum is σ = 540004937472. Its totient is φ = 93027916800.

The previous prime is 240643355273. The next prime is 240643355321. The reversal of 240643355300 is 3553346042.

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 47 ways as a sum of consecutive naturals, for example, 181343237 + ... + 181344563.

It is an arithmetic number, because the mean of its divisors is an integer number (3750034288).

Almost surely, 2^240643355300 is an apocalyptic number.

240643355300 is a gapful number since it is divisible by the number (20) 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 240643355300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270002468736).

240643355300 is an abundant number, since it is smaller than the sum of its proper divisors (299361582172).

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

240643355300 is a wasteful number, since it uses less digits than its factorization.

240643355300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

The spelling of 240643355300 in words is "two hundred forty billion, six hundred forty-three million, three hundred fifty-five thousand, three hundred".