42143005542 has 96 divisors (see below), whose sum is σ = 98598288096. Its totient is φ = 11957693440.

The previous prime is 42143005529. The next prime is 42143005607. The reversal of 42143005542 is 24550034124.

It is a super-2 number, since 2×42143005542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2422708 + ... + 2440040.

It is an arithmetic number, because the mean of its divisors is an integer number (1027065501).

Almost surely, 2^42143005542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42143005542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49299144048).

42143005542 is an abundant number, since it is smaller than the sum of its proper divisors (56455282554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42143005542 is a wasteful number, since it uses less digits than its factorization.

42143005542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17574 (or 17563 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 42143005542 its reverse (24550034124), we get a palindrome (66693039666).

The spelling of 42143005542 in words is "forty-two billion, one hundred forty-three million, five thousand, five hundred forty-two".