204580404432 has 80 divisors (see below), whose sum is σ = 600877900480. Its totient is φ = 66607567488.

The previous prime is 204580404407. The next prime is 204580404449. The reversal of 204580404432 is 234404085402.

204580404432 is a `hidden beast` number, since 2 + 0 + 4 + 580 + 4 + 0 + 44 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5488003 + ... + 5525154.

It is an arithmetic number, because the mean of its divisors is an integer number (7510973756).

Almost surely, 2^204580404432 is an apocalyptic number.

It is an amenable number.

204580404432 is an abundant number, since it is smaller than the sum of its proper divisors (396297496048).

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

204580404432 is a wasteful number, since it uses less digits than its factorization.

204580404432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11013217 (or 11013205 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 204580404432 its reverse (234404085402), we get a palindrome (438984489834).

The spelling of 204580404432 in words is "two hundred four billion, five hundred eighty million, four hundred four thousand, four hundred thirty-two".