42500211242 has 16 divisors (see below), whose sum is σ = 67507323912. Its totient is φ = 19998028800.

The previous prime is 42500211241. The next prime is 42500211263. The reversal of 42500211242 is 24211200524.

It can be written as a sum of positive squares in 4 ways, for example, as 25223474761 + 17276736481 = 158819^2 + 131441^2 .

It is a super-2 number, since 2×42500211242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42500211241) 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 7 ways as a sum of consecutive naturals, for example, 297992 + ... + 416892.

Almost surely, 2^42500211242 is an apocalyptic number.

42500211242 is a deficient number, since it is larger than the sum of its proper divisors (25007112670).

42500211242 is a wasteful number, since it uses less digits than its factorization.

42500211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129433.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 42500211242 its reverse (24211200524), we get a palindrome (66711411766).

The spelling of 42500211242 in words is "forty-two billion, five hundred million, two hundred eleven thousand, two hundred forty-two".