42204436 has 12 divisors (see below), whose sum is σ = 75068980. Its totient is φ = 20756160.

The previous prime is 42204433. The next prime is 42204451. The reversal of 42204436 is 63440224.

42204436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 988036 + 41216400 = 994^2 + 6420^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42204436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204433) 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 3 ways as a sum of consecutive naturals, for example, 86241 + ... + 86728.

Almost surely, 2^42204436 is an apocalyptic number.

It is an amenable number.

42204436 is a deficient number, since it is larger than the sum of its proper divisors (32864544).

42204436 is a wasteful number, since it uses less digits than its factorization.

42204436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173034 (or 173032 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 42204436 is about 6496.4941314527. The cubic root of 42204436 is about 348.1657399619.

The spelling of 42204436 in words is "forty-two million, two hundred four thousand, four hundred thirty-six".