204312355144250 has 64 divisors (see below), whose sum is σ = 392026410056736. Its totient is φ = 79685847360000.

The previous prime is 204312355144223. The next prime is 204312355144259. The reversal of 204312355144250 is 52441553213402.

It can be written as a sum of positive squares in 16 ways, for example, as 50012010054889 + 154300345089361 = 7071917^2 + 12421769^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 204312355144198 and 204312355144207.

It is not an unprimeable number, because it can be changed into a prime (204312355144259) 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, 12120692 + ... + 23569808.

Almost surely, 2^{204312355144250} is an apocalyptic number.

204312355144250 is a deficient number, since it is larger than the sum of its proper divisors (187714054912486).

204312355144250 is a wasteful number, since it uses less digits than its factorization.

204312355144250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450916 (or 11450906 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 204312355144250 in words is "two hundred four trillion, three hundred twelve billion, three hundred fifty-five million, one hundred forty-four thousand, two hundred fifty".