542434331012 has 72 divisors (see below), whose sum is σ = 1130676202656. Its totient is φ = 226913847552.

The previous prime is 542434331011. The next prime is 542434331051. The reversal of 542434331012 is 210133434245.

It is a self number, because there is not a number n which added to its sum of digits gives 542434331012.

It is not an unprimeable number, because it can be changed into a prime (542434331011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13067963 + ... + 13109405.

It is an arithmetic number, because the mean of its divisors is an integer number (15703836148).

Almost surely, 2^542434331012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542434331012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565338101328).

542434331012 is an abundant number, since it is smaller than the sum of its proper divisors (588241871644).

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

542434331012 is a wasteful number, since it uses less digits than its factorization.

542434331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43057 (or 43048 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 542434331012 its reverse (210133434245), we get a palindrome (752567765257).

The spelling of 542434331012 in words is "five hundred forty-two billion, four hundred thirty-four million, three hundred thirty-one thousand, twelve".