204160353140 has 24 divisors (see below), whose sum is σ = 428750328552. Its totient is φ = 81661553280.

The previous prime is 204160353119. The next prime is 204160353143. The reversal of 204160353140 is 41353061402.

It can be written as a sum of positive squares in 4 ways, for example, as 52563815824 + 151596537316 = 229268^2 + 389354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204160353143) 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, 564710 + ... + 852770.

It is an arithmetic number, because the mean of its divisors is an integer number (17864597023).

Almost surely, 2^204160353140 is an apocalyptic number.

204160353140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204160353140 is an abundant number, since it is smaller than the sum of its proper divisors (224589975412).

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

204160353140 is a wasteful number, since it uses less digits than its factorization.

204160353140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323507 (or 323505 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 204160353140 in words is "two hundred four billion, one hundred sixty million, three hundred fifty-three thousand, one hundred forty".