42120555352 has 16 divisors (see below), whose sum is σ = 81523656000. Its totient is φ = 20380913760.

The previous prime is 42120555349. The next prime is 42120555353. The reversal of 42120555352 is 25355502124.

42120555352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120555353) 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, 84920227 + ... + 84920722.

It is an arithmetic number, because the mean of its divisors is an integer number (5095228500).

Almost surely, 2^42120555352 is an apocalyptic number.

It is an amenable number.

42120555352 is a deficient number, since it is larger than the sum of its proper divisors (39403100648).

42120555352 is a wasteful number, since it uses less digits than its factorization.

42120555352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169840986 (or 169840982 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 42120555352 in words is "forty-two billion, one hundred twenty million, five hundred fifty-five thousand, three hundred fifty-two".