542044660116 has 12 divisors (see below), whose sum is σ = 1264770873632. Its totient is φ = 180681553368.

The previous prime is 542044660093. The next prime is 542044660117. The reversal of 542044660116 is 611066440245.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×542044660116⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542044660117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22585194160 + ... + 22585194183.

Almost surely, 2^542044660116 is an apocalyptic number.

It is an amenable number.

542044660116 is an abundant number, since it is smaller than the sum of its proper divisors (722726213516).

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

542044660116 is a wasteful number, since it uses less digits than its factorization.

542044660116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45170388350 (or 45170388348 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 542044660116 in words is "five hundred forty-two billion, forty-four million, six hundred sixty thousand, one hundred sixteen".