210242404 has 12 divisors (see below), whose sum is σ = 370822144. Its totient is φ = 104293224.

The previous prime is 210242401. The next prime is 210242407. The reversal of 210242404 is 404242012.

It is an interprime number because it is at equal distance from previous prime (210242401) and next prime (210242407).

It is not an unprimeable number, because it can be changed into a prime (210242401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206424 + ... + 207439.

Almost surely, 2^210242404 is an apocalyptic number.

It is an amenable number.

210242404 is a deficient number, since it is larger than the sum of its proper divisors (160579740).

210242404 is a wasteful number, since it uses less digits than its factorization.

210242404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413994 (or 413992 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 210242404 is about 14499.7380665997. The cubic root of 210242404 is about 594.6208105821.

Adding to 210242404 its reverse (404242012), we get a palindrome (614484416).

The spelling of 210242404 in words is "two hundred ten million, two hundred forty-two thousand, four hundred four".