205744556468 has 12 divisors (see below), whose sum is σ = 392785062432. Its totient is φ = 93520252920.

The previous prime is 205744556453. The next prime is 205744556519. The reversal of 205744556468 is 864655447502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2338006280 + ... + 2338006367.

It is an arithmetic number, because the mean of its divisors is an integer number (32732088536).

Almost surely, 2^205744556468 is an apocalyptic number.

It is an amenable number.

205744556468 is a deficient number, since it is larger than the sum of its proper divisors (187040505964).

205744556468 is a wasteful number, since it uses less digits than its factorization.

205744556468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676012662 (or 4676012660 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 56.

The spelling of 205744556468 in words is "two hundred five billion, seven hundred forty-four million, five hundred fifty-six thousand, four hundred sixty-eight".