204434545434402 has 16 divisors (see below), whose sum is σ = 416583602017920. Its totient is φ = 66859096619952.

The previous prime is 204434545434337. The next prime is 204434545434409.

It is a happy number.

204434545434402 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (204434545434409) 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, 321437964202 + ... + 321437964837.

It is an arithmetic number, because the mean of its divisors is an integer number (26036475126120).

Almost surely, 2^{204434545434402} is an apocalyptic number.

204434545434402 is an abundant number, since it is smaller than the sum of its proper divisors (212149056583518).

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

204434545434402 is a wasteful number, since it uses less digits than its factorization.

204434545434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642875929097.

The product of its (nonzero) digits is 14745600, while the sum is 48.

The spelling of 204434545434402 in words is "two hundred four trillion, four hundred thirty-four billion, five hundred forty-five million, four hundred thirty-four thousand, four hundred two".