204440383842 has 16 divisors (see below), whose sum is σ = 408907663392. Its totient is φ = 68142312000.

The previous prime is 204440383817. The next prime is 204440383853. The reversal of 204440383842 is 248383044402.

204440383842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204440383794 and 204440383803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021159 + ... + 1204842.

It is an arithmetic number, because the mean of its divisors is an integer number (25556728962).

Almost surely, 2^204440383842 is an apocalyptic number.

204440383842 is an abundant number, since it is smaller than the sum of its proper divisors (204467279550).

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

204440383842 is a wasteful number, since it uses less digits than its factorization.

204440383842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241313.

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 204440383842 in words is "two hundred four billion, four hundred forty million, three hundred eighty-three thousand, eight hundred forty-two".