204143425451500 has 96 divisors (see below), whose sum is σ = 454296819412800. Its totient is φ = 80115633113600.

The previous prime is 204143425451423. The next prime is 204143425451509. The reversal of 204143425451500 is 5154524341402.

It is not an unprimeable number, because it can be changed into a prime (204143425451509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8217744 + ... + 21813256.

It is an arithmetic number, because the mean of its divisors is an integer number (4732258535550).

Almost surely, 2^{204143425451500} is an apocalyptic number.

204143425451500 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 204143425451500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227148409706400).

204143425451500 is an abundant number, since it is smaller than the sum of its proper divisors (250153393961300).

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

204143425451500 is a wasteful number, since it uses less digits than its factorization.

204143425451500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596100 (or 13596088 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 204143425451500 its reverse (5154524341402), we get a palindrome (209297949792902).

The spelling of 204143425451500 in words is "two hundred four trillion, one hundred forty-three billion, four hundred twenty-five million, four hundred fifty-one thousand, five hundred".