204462630564 has 24 divisors (see below), whose sum is σ = 477619789920. Its totient is φ = 68077021824.

The previous prime is 204462630557. The next prime is 204462630611. The reversal of 204462630564 is 465036264402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9637509 + ... + 9658700.

It is an arithmetic number, because the mean of its divisors is an integer number (19900824580).

Almost surely, 2^204462630564 is an apocalyptic number.

It is an amenable number.

204462630564 is an abundant number, since it is smaller than the sum of its proper divisors (273157159356).

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

204462630564 is a wasteful number, since it uses less digits than its factorization.

204462630564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19297099 (or 19297097 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 204462630564 its reverse (465036264402), we get a palindrome (669498894966).

The spelling of 204462630564 in words is "two hundred four billion, four hundred sixty-two million, six hundred thirty thousand, five hundred sixty-four".