42435564 has 24 divisors (see below), whose sum is σ = 100412928. Its totient is φ = 13945680.

The previous prime is 42435551. The next prime is 42435571. The reversal of 42435564 is 46553424.

42435564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 24052 + ... + 25755.

It is an arithmetic number, because the mean of its divisors is an integer number (4183872).

Almost surely, 2^42435564 is an apocalyptic number.

It is an amenable number.

42435564 is an abundant number, since it is smaller than the sum of its proper divisors (57977364).

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

42435564 is a wasteful number, since it uses less digits than its factorization.

42435564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49885 (or 49883 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 42435564 is about 6514.2585149808. The cubic root of 42435564 is about 348.8001472063.

Adding to 42435564 its reverse (46553424), we get a palindrome (88988988).

The spelling of 42435564 in words is "forty-two million, four hundred thirty-five thousand, five hundred sixty-four".