240042004 has 6 divisors (see below), whose sum is σ = 420073514. Its totient is φ = 120021000.

The previous prime is 240041987. The next prime is 240042017. The reversal of 240042004 is 400240042.

It can be written as a sum of positive squares in only one way, i.e., 228070404 + 11971600 = 15102^2 + 3460^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30005247 + ... + 30005254.

Almost surely, 2^240042004 is an apocalyptic number.

It is an amenable number.

240042004 is a deficient number, since it is larger than the sum of its proper divisors (180031510).

240042004 is a wasteful number, since it uses less digits than its factorization.

240042004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60010505 (or 60010503 counting only the distinct ones).

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

The square root of 240042004 is about 15493.2889987891. The cubic root of 240042004 is about 621.4827535743.

Adding to 240042004 its reverse (400240042), we get a palindrome (640282046).

The spelling of 240042004 in words is "two hundred forty million, forty-two thousand, four".