42204043 has 12 divisors (see below), whose sum is σ = 49206960. Its totient is φ = 36092112.

The previous prime is 42204017. The next prime is 42204049. The reversal of 42204043 is 34040224.

It is not a de Polignac number, because 42204043 - 2⁹ = 42203531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42204043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31338 + ... + 32656.

It is an arithmetic number, because the mean of its divisors is an integer number (4100580).

Almost surely, 2^42204043 is an apocalyptic number.

42204043 is a deficient number, since it is larger than the sum of its proper divisors (7002917).

42204043 is a wasteful number, since it uses less digits than its factorization.

42204043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42204043 is about 6496.4638842989. The cubic root of 42204043 is about 348.1646592733.

Adding to 42204043 its reverse (34040224), we get a palindrome (76244267).

The spelling of 42204043 in words is "forty-two million, two hundred four thousand, forty-three".