204438327270 has 16 divisors (see below), whose sum is σ = 490651985520. Its totient is φ = 54516887264.

The previous prime is 204438327253. The next prime is 204438327271. The reversal of 204438327270 is 72723834402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204438327271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3407305425 + ... + 3407305484.

It is an arithmetic number, because the mean of its divisors is an integer number (30665749095).

Almost surely, 2^204438327270 is an apocalyptic number.

204438327270 is an abundant number, since it is smaller than the sum of its proper divisors (286213658250).

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

204438327270 is a wasteful number, since it uses less digits than its factorization.

204438327270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814610919.

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 204438327270 in words is "two hundred four billion, four hundred thirty-eight million, three hundred twenty-seven thousand, two hundred seventy".