42815230542 has 96 divisors (see below), whose sum is σ = 106923608064. Its totient is φ = 12128889600.

The previous prime is 42815230537. The next prime is 42815230543. The reversal of 42815230542 is 24503251824.

42815230542 is a `hidden beast` number, since 4 + 2 + 81 + 5 + 2 + 30 + 542 = 666.

It is a super-2 number, since 2×42815230542² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42815230497 and 42815230506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42815230543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9066742 + ... + 9071462.

It is an arithmetic number, because the mean of its divisors is an integer number (1113787584).

Almost surely, 2^42815230542 is an apocalyptic number.

42815230542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42815230542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53461804032).

42815230542 is an abundant number, since it is smaller than the sum of its proper divisors (64108377522).

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

42815230542 is a wasteful number, since it uses less digits than its factorization.

42815230542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334 (or 5331 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 42815230542 in words is "forty-two billion, eight hundred fifteen million, two hundred thirty thousand, five hundred forty-two".