204465105406 has 8 divisors (see below), whose sum is σ = 308470477464. Its totient is φ = 101641612920.

The previous prime is 204465105337. The next prime is 204465105409. The reversal of 204465105406 is 604501564402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204465105409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295469460 + ... + 295470151.

It is an arithmetic number, because the mean of its divisors is an integer number (38558809683).

Almost surely, 2^204465105406 is an apocalyptic number.

204465105406 is a deficient number, since it is larger than the sum of its proper divisors (104005372058).

204465105406 is a wasteful number, since it uses less digits than its factorization.

204465105406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590939786.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 204465105406 its reverse (604501564402), we get a palindrome (808966669808).

The spelling of 204465105406 in words is "two hundred four billion, four hundred sixty-five million, one hundred five thousand, four hundred six".