42630564 has 24 divisors (see below), whose sum is σ = 100201248. Its totient is φ = 14105920.

The previous prime is 42630527. The next prime is 42630571. The reversal of 42630564 is 46503624.

42630564 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, 11322 + ... + 14609.

It is an arithmetic number, because the mean of its divisors is an integer number (4175052).

Almost surely, 2^42630564 is an apocalyptic number.

It is an amenable number.

42630564 is an abundant number, since it is smaller than the sum of its proper divisors (57570684).

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

42630564 is a wasteful number, since it uses less digits than its factorization.

42630564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26075 (or 26073 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42630564 is about 6529.2085278386. The cubic root of 42630564 is about 349.3336000069. Note that the first 3 decimals are identical.

The spelling of 42630564 in words is "forty-two million, six hundred thirty thousand, five hundred sixty-four".