542056211242 has 24 divisors (see below), whose sum is σ = 1018589146596. Its totient is φ = 214439819328.

The previous prime is 542056211237. The next prime is 542056211261. The reversal of 542056211242 is 242112650245.

It can be written as a sum of positive squares in 2 ways, for example, as 521730291481 + 20325919761 = 722309^2 + 142569^2 .

It is a super-2 number, since 2×542056211242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542056211198 and 542056211207.

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 11 ways as a sum of consecutive naturals, for example, 212736643 + ... + 212739190.

Almost surely, 2^542056211242 is an apocalyptic number.

542056211242 is a deficient number, since it is larger than the sum of its proper divisors (476532935354).

542056211242 is a wasteful number, since it uses less digits than its factorization.

542056211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425475862 (or 425475855 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 542056211242 its reverse (242112650245), we get a palindrome (784168861487).

The spelling of 542056211242 in words is "five hundred forty-two billion, fifty-six million, two hundred eleven thousand, two hundred forty-two".