542065420626 has 16 divisors (see below), whose sum is σ = 1084780430400. Its totient is φ = 180580208688.

The previous prime is 542065420609. The next prime is 542065420627. The reversal of 542065420626 is 626024560245.

542065420626 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (542065420627) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27055366 + ... + 27075393.

It is an arithmetic number, because the mean of its divisors is an integer number (67798776900).

Almost surely, 2^542065420626 is an apocalyptic number.

542065420626 is an abundant number, since it is smaller than the sum of its proper divisors (542715009774).

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

542065420626 is a wasteful number, since it uses less digits than its factorization.

542065420626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54132433.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 542065420626 in words is "five hundred forty-two billion, sixty-five million, four hundred twenty thousand, six hundred twenty-six".