210228209604 has 72 divisors (see below), whose sum is σ = 607368041280. Its totient is φ = 60061038912.

The previous prime is 210228209593. The next prime is 210228209651. The reversal of 210228209604 is 406902822012.

210228209604 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 28 + 20 + 9 + 604 = 666.

It is a super-2 number, since 2×210228209604² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6924682 + ... + 6954974.

It is an arithmetic number, because the mean of its divisors is an integer number (8435667240).

Almost surely, 2^210228209604 is an apocalyptic number.

It is an amenable number.

210228209604 is an abundant number, since it is smaller than the sum of its proper divisors (397139831676).

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

210228209604 is a wasteful number, since it uses less digits than its factorization.

210228209604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57849 (or 57844 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 210228209604 in words is "two hundred ten billion, two hundred twenty-eight million, two hundred nine thousand, six hundred four".