42351006556 has 12 divisors (see below), whose sum is σ = 75329249800. Its totient is φ = 20828363760.

The previous prime is 42351006521. The next prime is 42351006557. The reversal of 42351006556 is 65560015324.

It is a super-2 number, since 2×42351006556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351006557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86784606 + ... + 86785093.

Almost surely, 2^42351006556 is an apocalyptic number.

It is an amenable number.

42351006556 is a deficient number, since it is larger than the sum of its proper divisors (32978243244).

42351006556 is a wasteful number, since it uses less digits than its factorization.

42351006556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173569764 (or 173569762 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 42351006556 in words is "forty-two billion, three hundred fifty-one million, six thousand, five hundred fifty-six".