204341705151540 has 72 divisors (see below), whose sum is σ = 628899595050720. Its totient is φ = 49537383065280.

The previous prime is 204341705151509. The next prime is 204341705151559. The reversal of 204341705151540 is 45151507143402.

It is a happy number.

204341705151540 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204341705151492 and 204341705151501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14073112930 + ... + 14073127449.

Almost surely, 2^{204341705151540} is an apocalyptic number.

204341705151540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204341705151540 is an abundant number, since it is smaller than the sum of its proper divisors (424557889899180).

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

204341705151540 is a wasteful number, since it uses less digits than its factorization.

204341705151540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28146240413 (or 28146240400 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 204341705151540 in words is "two hundred four trillion, three hundred forty-one billion, seven hundred five million, one hundred fifty-one thousand, five hundred forty".