557228019842 has 54 divisors (see below), whose sum is σ = 955673708283. Its totient is φ = 243532246464.

The previous prime is 557228019841. The next prime is 557228019847. The reversal of 557228019842 is 248910822755.

It can be written as a sum of positive squares in 5 ways, for example, as 17092686121 + 540135333721 = 130739^2 + 734939^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=527839.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557228019841) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 260751398 + ... + 260753534.

Almost surely, 2^557228019842 is an apocalyptic number.

557228019842 is a deficient number, since it is larger than the sum of its proper divisors (398445688441).

557228019842 is an equidigital number, since it uses as much as digits as its factorization.

557228019842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 557228019842 in words is "five hundred fifty-seven billion, two hundred twenty-eight million, nineteen thousand, eight hundred forty-two".