204723994244 has 48 divisors (see below), whose sum is σ = 466091006976. Its totient is φ = 76294653600.

The previous prime is 204723994231. The next prime is 204723994247. The reversal of 204723994244 is 442499327402.

It is a junction number, because it is equal to n+sod(n) for n = 204723994192 and 204723994201.

It is not an unprimeable number, because it can be changed into a prime (204723994247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14442662 + ... + 14456829.

It is an arithmetic number, because the mean of its divisors is an integer number (9710229312).

Almost surely, 2^204723994244 is an apocalyptic number.

It is an amenable number.

204723994244 is an abundant number, since it is smaller than the sum of its proper divisors (261367012732).

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

204723994244 is a wasteful number, since it uses less digits than its factorization.

204723994244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28899536 (or 28899534 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 204723994244 in words is "two hundred four billion, seven hundred twenty-three million, nine hundred ninety-four thousand, two hundred forty-four".