204604204440 has 32 divisors (see below), whose sum is σ = 613812613680. Its totient is φ = 54561121152.

The previous prime is 204604204303. The next prime is 204604204477. The reversal of 204604204440 is 44402406402.

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

It is a junction number, because it is equal to n+sod(n) for n = 204604204398 and 204604204407.

It is a congruent number.

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, 852517399 + ... + 852517638.

Almost surely, 2^204604204440 is an apocalyptic number.

204604204440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204604204440 is an abundant number, since it is smaller than the sum of its proper divisors (409208409240).

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

204604204440 is a wasteful number, since it uses less digits than its factorization.

204604204440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705035051 (or 1705035047 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 204604204440 in words is "two hundred four billion, six hundred four million, two hundred four thousand, four hundred forty".