557156947042 has 8 divisors (see below), whose sum is σ = 858322864476. Its totient is φ = 271049325552.

The previous prime is 557156947007. The next prime is 557156947049. The reversal of 557156947042 is 240749651755.

It can be written as a sum of positive squares in 2 ways, for example, as 412499192121 + 144657754921 = 642261^2 + 380339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (557156947049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3764573893 + ... + 3764574040.

Almost surely, 2^557156947042 is an apocalyptic number.

557156947042 is a deficient number, since it is larger than the sum of its proper divisors (301165917434).

557156947042 is a wasteful number, since it uses less digits than its factorization.

557156947042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7529147972.

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 557156947042 in words is "five hundred fifty-seven billion, one hundred fifty-six million, nine hundred forty-seven thousand, forty-two".