557205206720 has 56 divisors (see below), whose sum is σ = 1327133361984. Its totient is φ = 222833627136.

The previous prime is 557205206693. The next prime is 557205206731. The reversal of 557205206720 is 27602502755.

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, 1303289 + ... + 1677191.

Almost surely, 2^557205206720 is an apocalyptic number.

It is an amenable number.

557205206720 is an abundant number, since it is smaller than the sum of its proper divisors (769928155264).

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

557205206720 is a wasteful number, since it uses less digits than its factorization.

557205206720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378577 (or 378567 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 557205206720 in words is "five hundred fifty-seven billion, two hundred five million, two hundred six thousand, seven hundred twenty".