204263555745 has 32 divisors (see below), whose sum is σ = 335314272384. Its totient is φ = 106117977600.

The previous prime is 204263555687. The next prime is 204263555761. The reversal of 204263555745 is 547555362402.

It is not a de Polignac number, because 204263555745 - 2⁶ = 204263555681 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 204263555694 and 204263555703.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137175 + ... + 653715.

It is an arithmetic number, because the mean of its divisors is an integer number (10478571012).

Almost surely, 2^204263555745 is an apocalyptic number.

It is an amenable number.

204263555745 is a deficient number, since it is larger than the sum of its proper divisors (131050716639).

204263555745 is a wasteful number, since it uses less digits than its factorization.

204263555745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517233.

The product of its (nonzero) digits is 5040000, while the sum is 48.

The spelling of 204263555745 in words is "two hundred four billion, two hundred sixty-three million, five hundred fifty-five thousand, seven hundred forty-five".