42564204 has 30 divisors (see below), whose sum is σ = 111272084. Its totient is φ = 14187960.

The previous prime is 42564169. The next prime is 42564217. The reversal of 42564204 is 40246524.

42564204 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 2×42564204² = 3623422924307232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 9 ways as a sum of consecutive naturals, for example, 65362 + ... + 66009.

Almost surely, 2^42564204 is an apocalyptic number.

It is an amenable number.

42564204 is an abundant number, since it is smaller than the sum of its proper divisors (68707880).

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

42564204 is a wasteful number, since it uses less digits than its factorization.

42564204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131387 (or 131376 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 42564204 is about 6524.1247688866. The cubic root of 42564204 is about 349.1522448600.

The spelling of 42564204 in words is "forty-two million, five hundred sixty-four thousand, two hundred four".