204431113140040 has 32 divisors (see below), whose sum is σ = 460274418999360. Its totient is φ = 81718327134400.

The previous prime is 204431113140031. The next prime is 204431113140061. The reversal of 204431113140040 is 40041311134402.

It is a junction number, because it is equal to n+sod(n) for n = 204431113139990 and 204431113140008.

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, 1691130106 + ... + 1691250985.

It is an arithmetic number, because the mean of its divisors is an integer number (14383575593730).

Almost surely, 2^{204431113140040} is an apocalyptic number.

204431113140040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204431113140040 is an abundant number, since it is smaller than the sum of its proper divisors (255843305859320).

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

204431113140040 is a wasteful number, since it uses less digits than its factorization.

204431113140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382382613 (or 3382382609 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 204431113140040 its reverse (40041311134402), we get a palindrome (244472424274442).

The spelling of 204431113140040 in words is "two hundred four trillion, four hundred thirty-one billion, one hundred thirteen million, one hundred forty thousand, forty".