42116562 has 12 divisors (see below), whose sum is σ = 91252590. Its totient is φ = 14038848.

The previous prime is 42116537. The next prime is 42116563. The reversal of 42116562 is 26561124.

42116562 is a `hidden beast` number, since 4 + 2 + 1 + 1 + 656 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33419961 + 8696601 = 5781^2 + 2949^2 .

It is not an unprimeable number, because it can be changed into a prime (42116563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1169887 + ... + 1169922.

Almost surely, 2^42116562 is an apocalyptic number.

42116562 is an abundant number, since it is smaller than the sum of its proper divisors (49136028).

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

42116562 is a wasteful number, since it uses less digits than its factorization.

42116562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339817 (or 2339814 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 42116562 is about 6489.7274210863. The cubic root of 42116562 is about 347.9239330373.

Adding to 42116562 its reverse (26561124), we get a palindrome (68677686).

The spelling of 42116562 in words is "forty-two million, one hundred sixteen thousand, five hundred sixty-two".