42530026 has 32 divisors (see below), whose sum is σ = 79903872. Its totient is φ = 16493760.

The previous prime is 42530023. The next prime is 42530027. The reversal of 42530026 is 62003524.

It is a happy number.

42530026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42530026² = 3617606223121352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42529979 and 42530006.

It is not an unprimeable number, because it can be changed into a prime (42530021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42160 + ... + 43156.

It is an arithmetic number, because the mean of its divisors is an integer number (2496996).

Almost surely, 2^42530026 is an apocalyptic number.

42530026 is a deficient number, since it is larger than the sum of its proper divisors (37373846).

42530026 is a wasteful number, since it uses less digits than its factorization.

42530026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42530026 is about 6521.5048876774. The cubic root of 42530026 is about 349.0587663046.

The spelling of 42530026 in words is "forty-two million, five hundred thirty thousand, twenty-six".