204578462742 has 8 divisors (see below), whose sum is σ = 409156925496. Its totient is φ = 68192820912.

The previous prime is 204578462713. The next prime is 204578462783. The reversal of 204578462742 is 247264875402.

It is a sphenic number, since it is the product of 3 distinct primes.

204578462742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17048205223 + ... + 17048205234.

It is an arithmetic number, because the mean of its divisors is an integer number (51144615687).

Almost surely, 2^204578462742 is an apocalyptic number.

204578462742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204578462742 is a wasteful number, since it uses less digits than its factorization.

204578462742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34096410462.

The product of its (nonzero) digits is 6021120, while the sum is 51.

The spelling of 204578462742 in words is "two hundred four billion, five hundred seventy-eight million, four hundred sixty-two thousand, seven hundred forty-two".