42000204 has 12 divisors (see below), whose sum is σ = 98000504. Its totient is φ = 14000064.

The previous prime is 42000199. The next prime is 42000247. The reversal of 42000204 is 40200024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 3500017 = 42000204 / (4 + 2 + 0 + 0 + 0 + 2 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 42000204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1749997 + ... + 1750020.

Almost surely, 2^42000204 is an apocalyptic number.

It is an amenable number.

42000204 is an abundant number, since it is smaller than the sum of its proper divisors (56000300).

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

42000204 is a wasteful number, since it uses less digits than its factorization.

42000204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500024 (or 3500022 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 42000204 is about 6480.7564373304. The cubic root of 42000204 is about 347.6032272730.

Adding to 42000204 its reverse (40200024), we get a palindrome (82200228).

It can be divided in two parts, 4200020 and 4, that added together give a palindrome (4200024).

The spelling of 42000204 in words is "forty-two million, two hundred four", and thus it is an aban number.