204640754375 has 20 divisors (see below), whose sum is σ = 255907220976. Its totient is φ = 163592160000.

The previous prime is 204640754347. The next prime is 204640754387. The reversal of 204640754375 is 573457046402.

It is not a de Polignac number, because 204640754375 - 2¹⁰ = 204640753351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 734615 + ... + 974135.

Almost surely, 2^204640754375 is an apocalyptic number.

204640754375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

204640754375 is a deficient number, since it is larger than the sum of its proper divisors (51266466601).

204640754375 is an equidigital number, since it uses as much as digits as its factorization.

204640754375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240908 (or 240893 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 204640754375 in words is "two hundred four billion, six hundred forty million, seven hundred fifty-four thousand, three hundred seventy-five".