42155034542 has 8 divisors (see below), whose sum is σ = 63233814000. Its totient is φ = 21077096544.

The previous prime is 42155034541. The next prime is 42155034553. The reversal of 42155034542 is 24543055124.

42155034542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42155034541) 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, 65042 + ... + 297557.

It is an arithmetic number, because the mean of its divisors is an integer number (7904226750).

Almost surely, 2^42155034542 is an apocalyptic number.

42155034542 is a deficient number, since it is larger than the sum of its proper divisors (21078779458).

42155034542 is a wasteful number, since it uses less digits than its factorization.

42155034542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420730.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 42155034542 its reverse (24543055124), we get a palindrome (66698089666).

The spelling of 42155034542 in words is "forty-two billion, one hundred fifty-five million, thirty-four thousand, five hundred forty-two".