204525440425434 has 16 divisors (see below), whose sum is σ = 409251494352960. Its totient is φ = 68141711224800.

The previous prime is 204525440425433. The next prime is 204525440425451. The reversal of 204525440425434 is 434524044525402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204525440425433) 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, 8358882667 + ... + 8358907134.

It is an arithmetic number, because the mean of its divisors is an integer number (25578218397060).

Almost surely, 2^{204525440425434} is an apocalyptic number.

204525440425434 is an abundant number, since it is smaller than the sum of its proper divisors (204726053927526).

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

204525440425434 is a wasteful number, since it uses less digits than its factorization.

204525440425434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16717791845.

The product of its (nonzero) digits is 12288000, while the sum is 48.

The spelling of 204525440425434 in words is "two hundred four trillion, five hundred twenty-five billion, four hundred forty million, four hundred twenty-five thousand, four hundred thirty-four".