204011040355 has 8 divisors (see below), whose sum is σ = 245022318864. Its totient is φ = 163069452000.

The previous prime is 204011040349. The next prime is 204011040371. The reversal of 204011040355 is 553040110402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204011040355 - 2⁵ = 204011040323 is a prime.

It is a Duffinian number.

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, 17416096 + ... + 17427805.

It is an arithmetic number, because the mean of its divisors is an integer number (30627789858).

Almost surely, 2^204011040355 is an apocalyptic number.

204011040355 is a deficient number, since it is larger than the sum of its proper divisors (41011278509).

204011040355 is a wasteful number, since it uses less digits than its factorization.

204011040355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34845077.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 204011040355 its reverse (553040110402), we get a palindrome (757051150757).

The spelling of 204011040355 in words is "two hundred four billion, eleven million, forty thousand, three hundred fifty-five".