557720450042 has 32 divisors (see below), whose sum is σ = 958229637120. Its totient is φ = 238489038720.

The previous prime is 557720450041. The next prime is 557720450051. The reversal of 557720450042 is 240054027755.

It is a super-2 number, since 2×557720450042² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557720450041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21792758 + ... + 21818334.

It is an arithmetic number, because the mean of its divisors is an integer number (29944676160).

Almost surely, 2^557720450042 is an apocalyptic number.

557720450042 is a deficient number, since it is larger than the sum of its proper divisors (400509187078).

557720450042 is a wasteful number, since it uses less digits than its factorization.

557720450042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29006.

The product of its (nonzero) digits is 392000, while the sum is 41.

Adding to 557720450042 its reverse (240054027755), we get a palindrome (797774477797).

The spelling of 557720450042 in words is "five hundred fifty-seven billion, seven hundred twenty million, four hundred fifty thousand, forty-two".