204221044042410 has 64 divisors (see below), whose sum is σ = 522695249596800. Its totient is φ = 50886733258752.

The previous prime is 204221044042397. The next prime is 204221044042453. The reversal of 204221044042410 is 14240440122402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1440337095 + ... + 1440478874.

It is an arithmetic number, because the mean of its divisors is an integer number (8167113274950).

Almost surely, 2^{204221044042410} is an apocalyptic number.

204221044042410 is an abundant number, since it is smaller than the sum of its proper divisors (318474205554390).

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

204221044042410 is a wasteful number, since it uses less digits than its factorization.

204221044042410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880816135.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 204221044042410 its reverse (14240440122402), we get a palindrome (218461484164812).

The spelling of 204221044042410 in words is "two hundred four trillion, two hundred twenty-one billion, forty-four million, forty-two thousand, four hundred ten".