204242340410 has 16 divisors (see below), whose sum is σ = 376185892896. Its totient is φ = 79797007248.

The previous prime is 204242340409. The next prime is 204242340479. The reversal of 204242340410 is 14043242402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204242340410.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237490664 + ... + 237491523.

It is an arithmetic number, because the mean of its divisors is an integer number (23511618306).

Almost surely, 2^204242340410 is an apocalyptic number.

204242340410 is a deficient number, since it is larger than the sum of its proper divisors (171943552486).

204242340410 is a wasteful number, since it uses less digits than its factorization.

204242340410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474982237.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 204242340410 its reverse (14043242402), we get a palindrome (218285582812).

The spelling of 204242340410 in words is "two hundred four billion, two hundred forty-two million, three hundred forty thousand, four hundred ten".