205484628560 has 40 divisors (see below), whose sum is σ = 478830290400. Its totient is φ = 82008298112.

The previous prime is 205484628553. The next prime is 205484628577. The reversal of 205484628560 is 65826484502.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 205484628499 and 205484628508.

It is a congruent 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, 2863610 + ... + 2934489.

It is an arithmetic number, because the mean of its divisors is an integer number (11970757260).

Almost surely, 2^205484628560 is an apocalyptic number.

205484628560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205484628560 is an abundant number, since it is smaller than the sum of its proper divisors (273345661840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205484628560 is a wasteful number, since it uses less digits than its factorization.

205484628560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798555 (or 5798549 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 205484628560 in words is "two hundred five billion, four hundred eighty-four million, six hundred twenty-eight thousand, five hundred sixty".