542261170856 has 192 divisors, whose sum is σ = 1144431288000. Its totient is φ = 240048506880.

The previous prime is 542261170849. The next prime is 542261170859. The reversal of 542261170856 is 658071162245.

It is a self number, because there is not a number n which added to its sum of digits gives 542261170856.

It is not an unprimeable number, because it can be changed into a prime (542261170859) 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 47 ways as a sum of consecutive naturals, for example, 822854255 + ... + 822854913.

It is an arithmetic number, because the mean of its divisors is an integer number (5960579625).

Almost surely, 2^542261170856 is an apocalyptic number.

It is an amenable number.

542261170856 is an abundant number, since it is smaller than the sum of its proper divisors (602170117144).

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

542261170856 is a wasteful number, since it uses less digits than its factorization.

542261170856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 542261170856 in words is "five hundred forty-two billion, two hundred sixty-one million, one hundred seventy thousand, eight hundred fifty-six".