210010404 has 24 divisors (see below), whose sum is σ = 492170560. Its totient is φ = 69696864.

The previous prime is 210010393. The next prime is 210010453. The reversal of 210010404 is 404010012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 210010404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35464 + ... + 40959.

Almost surely, 2^210010404 is an apocalyptic number.

It is an amenable number.

210010404 is an abundant number, since it is smaller than the sum of its proper divisors (282160156).

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

210010404 is a wasteful number, since it uses less digits than its factorization.

210010404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76659 (or 76657 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 210010404 is about 14491.7357138474. The cubic root of 210010404 is about 594.4020110768.

Adding to 210010404 its reverse (404010012), we get a palindrome (614020416).

The spelling of 210010404 in words is "two hundred ten million, ten thousand, four hundred four".