542215140566 has 32 divisors (see below), whose sum is σ = 938221111296. Its totient is φ = 232693704000.

The previous prime is 542215140557. The next prime is 542215140581. The reversal of 542215140566 is 665041512245.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9667610 + ... + 9723533.

It is an arithmetic number, because the mean of its divisors is an integer number (29319409728).

Almost surely, 2^542215140566 is an apocalyptic number.

542215140566 is a deficient number, since it is larger than the sum of its proper divisors (396005970730).

542215140566 is a wasteful number, since it uses less digits than its factorization.

542215140566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19391228.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 542215140566 in words is "five hundred forty-two billion, two hundred fifteen million, one hundred forty thousand, five hundred sixty-six".