42808026 has 16 divisors (see below), whose sum is σ = 90122400. Its totient is φ = 13518288.

The previous prime is 42808019. The next prime is 42808027. The reversal of 42808026 is 62080824.

It is a happy number.

42808026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42807984 and 42808002.

It is not an unprimeable number, because it can be changed into a prime (42808027) 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 7 ways as a sum of consecutive naturals, for example, 187641 + ... + 187868.

It is an arithmetic number, because the mean of its divisors is an integer number (5632650).

Almost surely, 2^42808026 is an apocalyptic number.

42808026 is an abundant number, since it is smaller than the sum of its proper divisors (47314374).

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

42808026 is a wasteful number, since it uses less digits than its factorization.

42808026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375533.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 42808026 is about 6542.7842697127. The cubic root of 42808026 is about 349.8176628487.

The spelling of 42808026 in words is "forty-two million, eight hundred eight thousand, twenty-six".