204342545435 has 32 divisors (see below), whose sum is σ = 280806331392. Its totient is φ = 139838371200.

The previous prime is 204342545399. The next prime is 204342545437. The reversal of 204342545435 is 534545243402.

It is not a de Polignac number, because 204342545435 - 2³² = 200047578139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204342545392 and 204342545401.

It is not an unprimeable number, because it can be changed into a prime (204342545437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43932860 + ... + 43937510.

It is an arithmetic number, because the mean of its divisors is an integer number (8775197856).

Almost surely, 2^204342545435 is an apocalyptic number.

204342545435 is a deficient number, since it is larger than the sum of its proper divisors (76463785957).

204342545435 is a wasteful number, since it uses less digits than its factorization.

204342545435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 204342545435 its reverse (534545243402), we get a palindrome (738887788837).

The spelling of 204342545435 in words is "two hundred four billion, three hundred forty-two million, five hundred forty-five thousand, four hundred thirty-five".