204040204000 has 48 divisors (see below), whose sum is σ = 501326791056. Its totient is φ = 81616080000.

The previous prime is 204040203977. The next prime is 204040204003. The reversal of 204040204000 is 402040402.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204040204003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25501026 + ... + 25509025.

It is an arithmetic number, because the mean of its divisors is an integer number (10444308147).

Almost surely, 2^204040204000 is an apocalyptic number.

204040204000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204040204000 is an abundant number, since it is smaller than the sum of its proper divisors (297286587056).

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

204040204000 is an equidigital number, since it uses as much as digits as its factorization.

204040204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010076 (or 51010058 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 204040204000 its reverse (402040402), we get a palindrome (204442244402).

The spelling of 204040204000 in words is "two hundred four billion, forty million, two hundred four thousand".