205412056488928 has 24 divisors (see below), whose sum is σ = 406186505989992. Its totient is φ = 102253578777216.

The previous prime is 205412056488901. The next prime is 205412056488971. The reversal of 205412056488928 is 829884650214502.

It is a happy number.

205412056488928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205412056488928² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205412056488928.

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, 14139038475 + ... + 14139053002.

It is an arithmetic number, because the mean of its divisors is an integer number (16924437749583).

Almost surely, 2^{205412056488928} is an apocalyptic number.

It is an amenable number.

205412056488928 is a deficient number, since it is larger than the sum of its proper divisors (200774449501064).

205412056488928 is a wasteful number, since it uses less digits than its factorization.

205412056488928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28278091714 (or 28278091706 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 64.

The spelling of 205412056488928 in words is "two hundred five trillion, four hundred twelve billion, fifty-six million, four hundred eighty-eight thousand, nine hundred twenty-eight".