204354340 has 48 divisors (see below), whose sum is σ = 435746304. Its totient is φ = 80496000.

The previous prime is 204354317. The next prime is 204354343. The reversal of 204354340 is 43453402.

It is not an unprimeable number, because it can be changed into a prime (204354343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473925 + ... + 474355.

It is an arithmetic number, because the mean of its divisors is an integer number (9078048).

Almost surely, 2^204354340 is an apocalyptic number.

204354340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204354340 is an abundant number, since it is smaller than the sum of its proper divisors (231391964).

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

204354340 is a wasteful number, since it uses less digits than its factorization.

204354340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 204354340 is about 14295.2558564022. The cubic root of 204354340 is about 589.0171705557.

The spelling of 204354340 in words is "two hundred four million, three hundred fifty-four thousand, three hundred forty".