42204004 has 6 divisors (see below), whose sum is σ = 73857014. Its totient is φ = 21102000.

The previous prime is 42203977. The next prime is 42204017. The reversal of 42204004 is 40040224.

It can be written as a sum of positive squares in only one way, i.e., 31899904 + 10304100 = 5648^2 + 3210^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275497 + ... + 5275504.

Almost surely, 2^42204004 is an apocalyptic number.

It is an amenable number.

42204004 is a deficient number, since it is larger than the sum of its proper divisors (31653010).

42204004 is a wasteful number, since it uses less digits than its factorization.

42204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551005 (or 10551003 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 42204004 is about 6496.4608826653. The cubic root of 42204004 is about 348.1645520290.

Adding to 42204004 its reverse (40040224), we get a palindrome (82244228).

The spelling of 42204004 in words is "forty-two million, two hundred four thousand, four".