42204028 has 6 divisors (see below), whose sum is σ = 73857056. Its totient is φ = 21102012.

The previous prime is 42204017. The next prime is 42204049. The reversal of 42204028 is 82040224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275500 + ... + 5275507.

Almost surely, 2^42204028 is an apocalyptic number.

It is an amenable number.

42204028 is a deficient number, since it is larger than the sum of its proper divisors (31653028).

42204028 is a wasteful number, since it uses less digits than its factorization.

42204028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551011 (or 10551009 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 42204028 is about 6496.4627298246. The cubic root of 42204028 is about 348.1646180255.

The spelling of 42204028 in words is "forty-two million, two hundred four thousand, twenty-eight".