204197438088 has 48 divisors (see below), whose sum is σ = 632039690880. Its totient is φ = 58342125024.

The previous prime is 204197438083. The next prime is 204197438129. The reversal of 204197438088 is 880834791402.

It is a happy number.

204197438088 is a `hidden beast` number, since 2 + 0 + 41 + 97 + 438 + 0 + 88 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (204197438083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202576320 + ... + 202577327.

It is an arithmetic number, because the mean of its divisors is an integer number (13167493560).

Almost surely, 2^204197438088 is an apocalyptic number.

204197438088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

204197438088 is an abundant number, since it is smaller than the sum of its proper divisors (427842252792).

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

204197438088 is a wasteful number, since it uses less digits than its factorization.

204197438088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405153666 (or 405153659 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 204197438088 in words is "two hundred four billion, one hundred ninety-seven million, four hundred thirty-eight thousand, eighty-eight".