542431134544 has 80 divisors (see below), whose sum is σ = 1149466429440. Its totient is φ = 246472888320.

The previous prime is 542431134527. The next prime is 542431134559. The reversal of 542431134544 is 445431134245.

It is a junction number, because it is equal to n+sod(n) for n = 542431134497 and 542431134506.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3783237 + ... + 3923995.

It is an arithmetic number, because the mean of its divisors is an integer number (14368330368).

Almost surely, 2^542431134544 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 542431134544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574733214720).

542431134544 is an abundant number, since it is smaller than the sum of its proper divisors (607035294896).

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

542431134544 is a wasteful number, since it uses less digits than its factorization.

542431134544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141068 (or 141062 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

Adding to 542431134544 its reverse (445431134245), we get a palindrome (987862268789).

The spelling of 542431134544 in words is "five hundred forty-two billion, four hundred thirty-one million, one hundred thirty-four thousand, five hundred forty-four".